Comp Project - Copy

7/28/2019 Comp Project - Copy

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Computer Project On java Programming

Name Divya Jyoti

Class- XIIth A

Submitted to:- sanjay kumar shah1

Ques1:- PROGRAM TO FIND THE LOWEST EVEN AND HIGHEST ODD?

// PROGRAM TO FIND THE LOWEST EVEN AND HIGHEST ODDimport java.io.*;

import java.lang.*;

class prg28

{public void q28()throws IOException

{BufferedReader input=new BufferedReader(new InputStreamReader(System.in));

int n=0,i=0,ho=0,le=0;

for(i=1;in))

le=n;

}

else

{ if(ho


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Name Divya Jyoti

Class- XIIth A


System.out.println("\n Enter elements for first array");

for(i=0;i


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}

System.out.println("\n\n All duplicates elements");for(i=0;i


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}

for(i=0;i


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work()

{ a=0;b=0;

c=0.0;

}

double add(int a,int b)

{ c=(double)a+b;

return c;

}

}

class prg25{ public void q25()throws IOException

{ work obwork=new work();

BufferedReader input=new BufferedReader(new

InputStreamReader(System.in));

int x=0,y=0;

double sum=0.0;

System.out.println("Enter first value =");

x=Integer.parseInt(input.readLine());

System.out.println("Enter second value =");y=Integer.parseInt(input.readLine());

sum=obwork.add(x,y);

System.out.println("Sum of two numbers =" +sum);

}

}

Variable name type use

a int To store value

b int To store value

c int To store value

Ques5:- program to use constructor with a class to calculate netpay?

// program to use constructor with a class to calculate netpay

import java.io.*;

import java.lang.*;

class employee

{ public double bpay;

employee(double bp) // use of construtor

{ bpay=bp;}


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void calpay()

{ double da=0.0,hra=0.0,pf=0.0,npay=0.0,gpay=0.0;da=.25*bpay;

hra=.15*bpay;

pf=.0833*bpay;

npay=bpay+da+hra;

gpay=npay-pf;

System.out.println("Emp BASIC pay =" +bpay);

System.out.println("Emp GROSS pay =" +gpay);

}

public void main()throws IOException{ employee oemp=new employee(10000.00);

oemp.calpay();

}

}

Vaiable naame Type use

da double To store value

hra double To store value

pf double To store value

npay double To store valuegpay double To store value

Ques6:-program to use bubble sort to print merit list?

// program to use bubble sort to print merit list

import java.io.*;

import java.lang.*;

class prg22

{ public void q22()throws IOException

{ BufferedReader input=new BufferedReader(newInputStreamReader(System.in));

int i=0,j=0,ar[]=new int[10],temp=0;

String stname[]=new String[10],stemp=" ";

for(i=0;i


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Class- XIIth A


{ for(j=0;j


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{ System.out.print(+t+" ");

d--;t+=d;

}

System.out.println();

}

}

}


i int To store value

j int To store valued int To store value

t int To store value

Function

Recursive function

Ques8:-pogram to use recursive function to print odd numbers

// pogram to use recursive function to print odd numbers

import java.io.*;

import java.lang.*;

class rec1

{ public static void main()

{ rec1 ob1=new rec1();

System.out.println("Printing of even numbers");

ob1.rfodd(2);

}

void rfodd(int n) // defining of recursive function

{ if(n


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Name Divya Jyoti

Class- XIIth A


Ques9:-Program to use recursive function to print factorial of a numbers?

import java.io.*;import java.lang.*;

class rec2

{ public static void main()throws IOException

{ BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

int num=0,i=0,f=0;

rec2 ob2=new rec2();

System.out.println("Enter number =");

num=Integer.parseInt(br.readLine());

for(i=1;i


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for(i=0;i


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char ch=s.charAt(0);

if(ch=='A'||ch=='E'||ch=='I'||ch=='O'||ch=='U')return (1+vcount(s.substring(1)));

else

return vcount(s.substring(1));

}

}

Variable name type Use

st String To store namef int To store number

Ques12:-program to use recursive function to print string in reverse?

//pogram to use recursive function to print string in reverse

import java.io.*;

import java.lang.*;

class rec5


{ BufferedReader br=new BufferedReader(new InputStreamReader(System.in));rec5 ob=new rec5();

String st=" ";

System.out.println("Enter string =>");

st=br.readLine();

System.out.println("Reverse string =>");

ob.rev(st);

}

void rev(String s)

{ if(s.length()==0)return;

char ch=s.charAt(0);

rev(s.substring(1));

System.out.print(ch);

}

}

Variable name Type Use

s String To store valueof name


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Name Divya Jyoti

Class- XIIth A


Ques13:-program to use recurssive for binary search?

// program to use recurssive for binary searchimport java.io.*;

import java.lang.*;

class rec6



rec6 ob=new rec6();

int res=0,ar[]=new int[5],i=0,low=0,hg=4,t=0;

for(i=0;ihigh)

return 0;

else

{ mid=(lower+high)/2;

if(sr>a[mid])

return bin(a,mid+1,high,sr);

else if(sr


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Name Divya Jyoti

Class- XIIth A



res int To store value

Ar[] int To store no.

i int For loop

low int To store value of low no.

hg int To store value of hig. num


Ques14:-program to use recursive method for printing of even numbers upto 10?

class mrec5

{ public void main()

{ prne(2);

}

void prne(int n)

{ if(n


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}

Variable name type usen int To store value

Ques16:-program to use recursive method for printing of natural number upto 10?

class mrec3

{ void prn(int n)

{ if(n


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Name Divya Jyoti

Class- XIIth A


double area(int s1,int s2)

{ ar=(double)s1*s2;return ar;

}

double area(double r)

{ ar=3.142*r*r;

return ar;

}

double area(int s1,int s2,int s3)

{ r=(s1+s2+s3)/2;

ar=Math.sqrt(r*(r-s1)*(r-s2)*(r-s3));return ar;

}

public void main()throws IOException

{ BufferedReader input=new BufferedReader(new


area obar=new area();

int a1,a2,a3;

double r1,ar1;

int op;System.out.println("1.Area of Square");

System.out.println("2.Area of Rectangle");

System.out.println("3.Area of Circle");

System.out.println("4.Area of Triangle");

System.out.println("5.Exit");

System.out.println("Enter your option=");

op=Integer.parseInt(input.readLine());

switch(op)

{ case 1: // program for square

System.out.println("Enter side for square=");

a1=Integer.parseInt(input.readLine());

ar1=obar.area(a1);

System.out.println("Area of square=" +ar1);

break;

case 2: // program for rectangle

System.out.println("Enter the sides for rectangle=");




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ar1=obar.area(a1,a2);

System.out.println("Area of rectangle=" +ar1);break;

case 3: // program for circle

System.out.println("Enter the radius of circle=");

r1=Double.parseDouble(input.readLine());

ar1=obar.area(r1);

System.out.println("Area of Circle=" +ar1);

break;

case 4: // program for triangle

System.out.println("Enter the first side of triangle =");a1=Integer.parseInt(input.readLine());

System.out.println("Enter the second side of triangle

=");


System.out.println("Enter the third side of triangle =");


ar1=obar.area(a1,a2,a3);

System.out.println("Area of Triangle=" +ar1);

break;case 5: break;

}

}

}

Varible name Type Use

S1 int To store value



r int To store valuear int To store value

Ques18:-to find out area of square,rectangle and circle?

// Function overloading program

//to find out area of square,rectangle and circle

import java.io.*;

import java.lang.*;

class q6

{ double area(int s1){ double ar;


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Class- XIIth A


ar=(double)s1*s1;

return ar;}

double area(int s1,int s2)

{ double ar;

ar=(double)s1*s2;

return ar;

}

double area(double s1)

{ double ar;

ar=3.142*s1*s1;return ar;

}




int a1,a2;

double r1,ar1;

int op;

System.out.println("1.Area of Square");System.out.println("2.Area of Rectangle");

System.out.println("3.Area of Circle");

System.out.println("4.Exit");

System.out.println("Enter your option=");

op=Integer.parseInt(input.readLine());

switch(op)

{ case 1: // program for square

System.out.println("Enter side for square=");


ar1=area(a1);

System.out.println("Area of square=" +ar1);

break;

case 2: // program for rectangle

System.out.println("Enter the sides for rectangle=");



ar1=area(a1,a2);

System.out.println("Area of rectangle=" +ar1);


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break;

case 3: // program for circleSystem.out.println("Enter the radius of circle=");

r1=Double.parseDouble(input.readLine());

ar1=area(r1);

System.out.println("Area of Circle=" +ar1);

break;

case 4: break;

}

}

}Variable name Type use


ar int To store value

Ques19:-menu driven program using class?

// menu driven program using class

import java.io.*;

class num

{ public int no;num() //const

{ no=0;

}

void fact(int no)

{int f=1,i=0;

for(i=1;i


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Name Divya Jyoti

Class- XIIth A


{ case 1: // for fact

System.out.println("Enter any number=");n=Integer.parseInt(input.readLine());

obnum.fact(n);

break;

case 2: // for prime

break;

case 3: // for perfect

break;

}

}}


no int To store value

f int To store value

i int For loop

conversion

Ques20:-program to make a function dtob() to convert decimal to binary?

// program to make a function dtob() to convert decimal to binaryclass q10

{ void dtob(int num)

{ int r=0,b=0,c=0;

System.out.println("Decimal number is ="+num);

while(num>0)

{ r=num%2;

b+=r*Math.pow(10,c);

c++;

num/=2;}

System.out.println("Binary number is ="+b);

}

}

Varible name type use

r int To store value



Ques21:- program to make a function btod() to convert binary to decimal?


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Name Divya Jyoti

Class- XIIth A


class q11

{ void btod(int b){ int r=0,d=0,c=0;

System.out.println("Binary number is ="+b);

while(b>0)

{ r=b%10;

d+=r*Math.pow(2,c);

c++;

b/=10;

}

System.out.println(" Decimal number is="+d);}

}

Varible name type use




Ques22:-program to find the hcf of three numbers?

// program to find the hcf of three numbers


class q12

{ void main()throws IOException

{ BufferedReader input=new BufferedReader(new InputStreamReader(System.in));

int a=0,b=0,c=0,p=0,i=0,h=0;

System.out.println("Enter any three numbers=");

a=Integer.parseInt(input.readLine());

b=Integer.parseInt(input.readLine());

c=Integer.parseInt(input.readLine());p=a*b*c;

for(i=1;i


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Name Divya Jyoti

Class- XIIth A


Variable name Type use




p int To store value

i int For loop

Ques23:-program to find out the angle?

import java.io.*;

import java.lang.*;

class q13

{ void main()throws IOException


int a=0,b=0,c=0,p=0,i=0,h=0;

System.out.println("Enter any measurement =");


if(a


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Name Divya Jyoti

Class- XIIth A


Ques24:-program to merge two array into third array?


class prg27



int i=0,j=0,ar[]=new int[4],br[]=new int[6],cr[]=new int[10],c=0;

System.out.println("\n Enter elements for first array");

for(i=0;i


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Name Divya Jyoti

Class- XIIth A


{ if(cr[i]!=cr[j])

c++;if((cr[i]==cr[j]) && (i>j))

break;

}

if(c==9)

System.out.print(+cr[i]+" ");

}

System.out.println("\n\n All duplicates elements");

for(i=0;i


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Class- XIIth A


else

{ if(ho


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Class- XIIth A


System.out.println("Enter any string=");

st=input.readLine();pallin(st);

}

}



len int To store value

pos int To store value


ch char To store value

Ques:-program to print TOTAL VOWELS?

// program to print TOTAL VOWELS

class st14

{ public void q14(String st)

{ int len=0,i=0,v=0;

char ch;

System.out.println("Original string ="+st);

len=st.length();

for(i=0;i


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Class- XIIth A


for(i=0;i


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ch=' ';

}void dr()

{ System.out.println();

for(i=1;i


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Class- XIIth A


n=Integer.parseInt(input.readLine());

System.out.println("\nEnter character=");dh=(char)(input.read());

d1.dr(dh,n);

break;

case 3: // char in rec form

System.out.println("\nEnter a row number=");

r=Integer.parseInt(input.readLine());

System.out.println("\nEnter a col number=");

c=Integer.parseInt(input.readLine());

System.out.println("\nEnter character=");dh=(char)input.read();

d1.dr(dh,r,c);

break;

}

}

}



b int To store valuei int To store value

j int To store value

ch char To store value

Ques29:-PROGRAM TO PRINT INITIAL OF A NAME

// PROGRAM TO PRINT INITIAL OF A NAME

class St2

{ public void q2()

{ String sen="MOHANDAS KARAMCHAND GANDHI";

char ch;int len=0,i=0,p=0;

len=sen.length();

System.out.println("\nThe Name is =" +sen+"\n");

System.out.print("The Required Initial of the name =");

System.out.print(sen.charAt(0));

for(i=1;i


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}

if(i==(len-1))System.out.print(sen.substring(p,len));

}

}

}

Ques:-program to input country and capital to search for a capital?

import java.io.*;

import java.lang.*;

class St7

{ public void Q7()throws IOException{ BufferedReader input=new BufferedReader(new

InputStreamReader(System.in));String wd="India";

String co[]=new String[5], cp[]=new String[5], sco;

int i=0,c=0;

for(i=0;i


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Name Divya Jyoti

Class- XIIth A


InheritanceQues30:-program to use inheritance?

// program to use inheritance

import java.io.*;

import java.lang.*;

class emp

{ private String name;

double bpay;

emp(String na,double bp)

{ this.name=na;this.bpay=bp;

}

void display()

{ System.out.println("Name of Employee " +name);

System.out.println("Basic pay of Employee "+bpay);

}

}

class tax extends emp

{ public int rate,hr;double tot;

tax(String na, double bp,int rt,int h)

{ super(na,bp);

this.rate=rt;

this.hr=h;

}

void cal()

{ tot=bpay +rate *hr;

super.display();

System.out.println("Total rate per hour ="+rate);

System.out.println("Total hour of working ="+hr);

System.out.println("Total pay of employee ="+tot);

}

public static void main()throws IOException


String n;

double bap;

int hour,ra;


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Name Divya Jyoti

Class- XIIth A


System.out.println("Enter name , basic pay , total rate per hour and total number

of hours =");n=br.readLine();

bap=Double.parseDouble(br.readLine());

ra=Integer.parseInt(br.readLine());

hour=Integer.parseInt(br.readLine());

tax obj=new tax(n,bap,ra,hour);

obj.cal();

}

}

Variable name Type Usename string To store value

bpay int To store value

Ques31:-program to use inheritance?

package jpro;

// program to use inheritance

import java.io.*;

import java.lang.*;

class emp{ private String name;

double bpay;

emp(String na,double bp)

{ this.name=na;

this.bpay=bp;

}

void display()

{ System.out.println("Name of Employee " +name);

System.out.println("Basic pay of Employee "+bpay);}

}

class tax extends emp

{ public int rate,hr, bp;

double tot;

tax(String na, double bp,int rt,int h)

{ super(na,bp);

this.rate=rt;

this.hr=h;

}


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Name Divya Jyoti

Class- XIIth A


void cal()

{ tot=bp +rate *hr;System.out.println("Total pay of employee ="+tot);

}

public static void main()

{ tax obj=new tax("Amit",5000,200,20);

obj.cal();

}

}


name string To store valuebpay int To store value

Ques32:-prg to show inheritance between two classes EMP AND INHEMP?

// prg to show inheritance between two classes EMP AND INHEMP

import java.io.*;

import java.lang.*;

class emp

{ private int ecode;String ename;

double esal;

BufferedReader input=new BufferedReader(new InputStreamReader(System.in));

emp()

{ ecode=0;

ename=" ";

esal=0.0;

}

void indata()throws IOException{ System.out.println("\n Enter Employee Code =");

ecode=Integer.parseInt(input.readLine());

System.out.println("\n Enter Employee Name =");

ename=input.readLine();

System.out.println("\n Enter Employee Basic Salary =");

esal=Double.parseDouble(input.readLine());

}

void disdata()

{ System.out.println("\n\t\tEmployee Details");

System.out.println("\n Employee Code =" +ecode);


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Name Divya Jyoti

Class- XIIth A


System.out.println("\n Employee Name =" +ename);

System.out.println("\n Employee Basic Salary =" +esal);}

}

class inhemp extends emp

{ public double da,hra,npay;

inhemp()

{ da=0.0;

hra=0.0;

npay=0.0;

}void in()throws IOException

{ indata();

}

void cal()

{ da=.57*esal;

hra=.12*esal;

npay=esal+da+hra;

}

void dis(){ disdata();

System.out.println("\n Employee D.A =" +da);

System.out.println("\n Employee H.R.A =" +hra);

System.out.println("\n Employee Netpay =" +npay);

}


{ inhemp obemp=new inhemp();

obemp.in();

obemp.cal();

obemp.dis();

}

}

Variable name Type use

Ename string To store value

ecode int To store value


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Name Divya Jyoti

Class- XIIth A


Ques33:-program to use selection sort to print in descending?

import java.io.*;class q19

{ public void main()throws IOException



int num[]=new int[5],i=0,j=0,tm=0,sl=0;

//input loop

for(i=0;i


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Class- XIIth A



// program to use bubble sort to print merit listimport java.io.*;

class q18




int num[]=new int[5],i=0,j=0,tm=0;

String name[]=new String[10],st=" ";

//input loop

for(i=0;i


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Class- XIIth A


j int To store value

tm int To store value

name string To store value

st string To store value

Ques35:-program to search by binary search?

// program to search by binary search

import java.io.*;

import java.lang.*;

class prg26

{ public void q26() throws IOException


int num[]=new int[10],i=0,j=0,t=0,n=0,p=0,m=0,f=0,l=9;

for(i=0;i


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Class- XIIth A


else

l=m-1;}

if(p==0)

System.out.println("\n search unsuccessful");

else

{ System.out.println("\n search successful");

System.out.println("\n Element found in "+p+ " position");

}

}

}Variable name type use

num[]; int To store value


n int To store value


m int To store value


l int To store value

Ques36:-program to sort the string alphabetically?

// program to sort the string alphabetically

import java.io.*;

import java.lang.*;

class St9

{ public void Q9() throws IOException


String st=" ";

int i=0,j=0,len=0;

System.out.println("Enter any name without space=");

st=input.readLine();

len=st.length();

int a[]=new int[len],te;

char c[]=new char[len],t=' ';

System.out.println("Original name is given below");

System.out.println(st);

for(i=0;i


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Name Divya Jyoti

Class- XIIth A


}

for(i=0;i


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Class- XIIth A


System.out.println(st);

for(i=0;i


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};

System.out.println("\n Binary no =" +bn);}

}




bn int To store value

Ques39:-program to find hcf?

class prg18

{ public void q18(int a,int b)

{ int r=0;

System.out.println("\n Number are =" +a +" and " + b);

r=a%b;

while(r>0)

{ a=b;

b=r;

r=a%b;};

System.out.println("\n h.c.f=" +b);

}

}





Ques40:-program to use selection sort to print in descending?

// program to use selection sort to print in descending

import java.io.*;

class q19




int num[]=new int[5],i=0,j=0,tm=0,sl=0;

//input loopfor(i=0;i


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Name Divya Jyoti

Class- XIIth A


{ System.out.println("\n Enter the value=");

num[i]=Integer.parseInt(input.readLine());}

// sorting loop

for(i=0;i


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Class- XIIth A


else

o++;}

System.out.println("\n Total even no=" +e);

System.out.println("\n Total odd no=" +o);

}

}




o int To store value

e int To store value

Ques42:- program to find sum of -ve & sum of +ve odd no , even no?

// program to find sum of -ve & sum of +ve odd no , even no

import java.io.*;

import java.lang.*;

class prg16

{public void q16(int t)throws IOException

{BufferedReader input=new BufferedReader(new InputStreamReader(System.in));

int n=0,i=0,sng=0,po=0,pe=0;

for(i=1;i


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Name Divya Jyoti

Class- XIIth A


System.out.println("\n Total sum of odd no=" +po);

System.out.println("\n Total sum of even no=" +pe);}

}




sng int To store value

po int To store value

pe int To store value

Ques43:-program to check s number to be perfect or not?

// program to check s number to be perfect or not

class prg17

{ public void q17(int n)

{ int i=0,r=0,s=0;

for(i=1;i


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Name Divya Jyoti

Class- XIIth A


{ for(j=1;j


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Name Divya Jyoti

Class- XIIth A



System.out.println("Enter second value =");b=Integer.parseInt(input.readLine());

System.out.println("\n Difference of two Numbers =" +(a-b));

break;

case 3: break;

default:System.out.println("\n Sorry wrong option");

break;

}

}

}Variable name type use



op int To store value


// program to use bubble sort to print merit list

import java.io.*;

class q18{ public void main()throws IOException



int num[]=new int[5],i=0,j=0,tm=0;

String name[]=new String[10],st=" ";

//input loop

for(i=0;i


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Name Divya Jyoti

Class- XIIth A


num[i]=num[j];

name[j]=st;num[j]=tm;

}

}

}

System.out.println("\t\tMerit list");

System.out.println("S.No\t\tStudent Name \t\tMarks");

for(i=0;i


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Name Divya Jyoti

Class- XIIth A


System.out.println("\n temp in Cel =" +c);

break;case 2: // program cel to fre

System.out.println("Enter temp in cel =");

c=Integer.parseInt(input.readLine());

f=(9*c)/5 +32;

System.out.println("\n Temp in fre =" +f);

break;

case 3: break;

default:System.out.println("\n Sorry wrong option");

break;}

}

}




op int To store valueof chioce

Ques48:-program to use linear search?

// program to use linear search

import java.io.*;

class q17




int i=0,c=0;double tn[]=new double[5],stn;

String cn[]=new String[5];

for(i=0;i


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for(i=0;i


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r=a%b;

while(r>0){ a=b;

b=r;

r=a%b;

};

System.out.println("\n lcm of two Numbers =" +p/b);

break;

case 2: // program on hcf


a=Integer.parseInt(input.readLine());System.out.println("Enter second value =");


r=a%b;

while(r>0)

{ a=b;

b=r;

r=a%b;

};

System.out.println("\n hcf of two Numbers =" +b);break;

case 3: break;

default:

System.out.println("\n Sorry wrong option");

break;

}

}

}






op int To store value


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Ques50:- program to store 10 values to find out mean and fre dis table?

// program to store 10 values to find out mean and fre dis tableimport java.io.*;

class q16




int i=0,num[]=new int[10],a=0,b=0,c=0,d=0;

double sum=0.0,mean=0.0;

System.out.println("Enter the ten values ");

for(i=0;i80)

a++;

else if(num[i]>60)

b++;

else if(num[i]>40)

c++;

else

d++;sum+=num[i];

}

mean=sum/10;

System.out.println("\t\tFrequency Distribution Table");

System.out.println("Class Interval\t\tFrequency");

System.out.println("81-100\t\t\t\t" +a);

System.out.println("61-80\t\t\t\t" +b);

System.out.println("41-60\t\t\t\t" +c);

System.out.println("below =40\t\t\t" +d);

System.out.println("Mean of the ten numbers ="+mean);

}

}



d int To store value

sum int To store value

mean int To store value

a int To store valueb int To store value


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Ques51:-program to use menu driven on mathematical operation?

//program to use menu driven on mathematical operation// using loop do-while

import java.io.*;

import java.lang.*;

class prg12



int op=0;

int a=0,b=0;

System.out.println("\n\t\t\t Main Menu");System.out.println("\n\t 1. Addition");

System.out.println("\n\t 2. Subtraction");

System.out.println("\n\t 3. Exit");

System.out.println("\n\t Enter your option ( 1-3)=");

op= Integer.parseInt(input.readLine());

switch(op)

{ case 1: // program to add


a=Integer.parseInt(input.readLine());System.out.println("Enter second value =");


System.out.println("\n Sum of two Numbers =" +(a+b));

break;

case 2: // program to subtract



System.out.println("Enter second value =");


System.out.println("\n Difference of two Numbers =" +(a-b));

break;

case 3: break;

default:System.out.println("Sorry wrong option ");

break;

}

}

}


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a int To store number

b int To store number

op int To store number

Ques52:- loop in desending order?

class q14

{ public void main()

{ int i=0,j=0;

for(i=4;i>=1;i--)

{ for(j=i;j>=1;j--)

System.out.print(j+" ");

System.out.println();

}

}

}


i int For loop

j int For loop

Ques53:- program to use nested if to find out fine?

// program to use nested if to find out fine

class prg10

{ public void q10(int n)

{ double fn;

if(n


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Ques54:- program to return statement?

// program to return statementimport java.io.*;

import java.lang.*;

class work

{ public int a,b;

double c;

work()

{ a=0;

b=0;

c=0.0;}

double add(int a,int b)

{ c=(double)a+b;

return c;

}

}

class prg25


{ work obwork=new work();BufferedReader input=new BufferedReader(new


int x=0,y=0;

double sum=0.0;


x=Integer.parseInt(input.readLine());

System.out.println("Enter second value =");

y=Integer.parseInt(input.readLine());

sum=obwork.add(x,y);

System.out.println("Sum of two numbers =" +sum);

}

}

VARIABLE NAME TYPE USE

a int To accept a

numberfor method

b Int To accept a number

for method

c double To add numberQues55:- to find highest,middle and lowest?


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//to find highest,middle and lowest

class pr11{ public void q11(int a,int b,int c)

{

if((a>b)&&(a>c))

{ System.out.println("The Highest number is="+a);

if(b>c)

{ System.out.println("The middle number is="+b);

System.out.println("The lowest number is="+c);

}

else{ System.out.println("The middle number is="+c);

System.out.println("The lowest number is="+b);

}

}

else if ((b>c)&&(b>a))

{ System.out.println("The Highest number is="+b);

if(c>a)

{ System.out.println("The middle number is="+c);

System.out.println("The lowest number is="+a);}

else

{ System.out.println("The middle number is="+a);

System.out.println("The lowest number is="+c);

}

}

else

{ System.out.println("The Highest numberis="+c);

if(a>b)

{ System.out.println("The middle number is="+a);

System.out.println("The lowest number is="+b);

}

else

{ System.out.println("The middle number is="+b);

System.out.println("The lowest number is="+a);

}

}

}


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}

Variable name Type Usesa int To store number

b int To store number

c int To store number

Ques56:- program to check smith number?

// program to check smith number

import java.io.*;

import java.lang.*;

class csmith

{ public int num,temp,s,sum;

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

void input()throws IOException

{ System.out.println("Enter any decimal number =");

num=Integer.parseInt(br.readLine());

}

int sdigit(int n)

{ s=0;

while(n>0){ s+=n%10;

n/=10;

}

return s;

}

void pfact()throws IOException

{ input();

temp=num;

int f=0,c=2,i=0;sum=0;

while(num>1)

{ if(num%c==0)

{ f=0;

for(i=1;i


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num/=c;

}else

c++;

}

if(sum==sdigit(temp))

System.out.println("Number is Smith number");

else

System.out.println("number is not Smith number");

}

public static void main()throws IOException{ csmith obj=new csmith();

obj.pfact();

}

}

Variable name Type Uses

num int To store number

temp int To store value of num

s int To store value of remainder

sum int To store sum

Ques57:-pogram to create a class to check palindrome?

// pogram to create a class to check pallindrome

import java.io.*;

import java.lang.*;

class pallin

{ public String st[]=new String[5], rev[]=new String[5];

int i,j,c,len[]=new int[5];

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));void input()throws IOException

{ for(i=0;i


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for(j=len[i]-1;j>=0;j--)

{ char ch=st[i].charAt(j);rev[i]+=ch;

}

}

}

void check()

{ for(i=0;i


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int s=0,c=0,len=0,i=0,j=0,l[]=new int[20],t=0;

System.out.println("Enter the sentence =");st=input.readLine();

len=st.length();

// for each word

for(i=0;i


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Varible name Type Use

st String To store value

fst String To store value

Arrst[] String To store value

i int For loop

c int For counter

len int To store length

t int For counter

Ques59:- program to search for a name in the list also display the phno?

// program to search for a name in the list also display the phno

import java.io.*;

import java.lang.*;

class St24

{ public void Q16()throws IOException


InputStreamReader(System.in));String wd="India";

String st[]=new String[5],temp;

long ph[]=new long[5];

int i=0,c=0,sr=0;

for(i=0;i


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else

System.out.println("Search not successful");}

}


i int For loop

j int For loop

sr int To store value


wd string To store value

S[] string To store valueof names

Ques60:-program to arrange all number by sorting?

import java.io.*;

import java.lang.*;

class arrange

{ public int num[]=new int[100],temp,i,j,pos,n;

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

void input()throws IOException

{ for(i=0;i


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{ for(i=0;i


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break;

case 2: obj.input();obj.ssort();

break;

case 3: obj.input();

obj.exsort();

break;

}

}

}

Variable name Type Usenum[] int To store number

temp int To store number

i int Foor loop

j int For loop

pos int To store number

n int To store number

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