CJ-7: Check whether eligible for vote

Type the programs in NOTEPAD or DOS prompt itself, for Consol Application.
Type in NETBEANS or ECLIPSE for Window Application.
Here after , I am just typing the programs only..to know more about it , refer

Introduction to JAVA 

before doing any JAVA Programs.

***********************************************************************************************

import java.io.*;

class chk

{

public static void main(String args[])

{

int age;

try

{

   DataInputStream x=new DataInputStream(System.in);

   System.out.println("Enter age :");

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

if(age>=18)

{

System.out.println("Eligible for vote");

}

else

{

System.out.println("Not Eligible for vote");

}

}

catch(Exception e)

{

}

}

}

========================================================================= 

Output : 

Enter age :

20

Eligible for vote.

CJ-6 : Four Calculations-Floating no

Type the programs in NOTEPAD or DOS prompt itself, for Consol Application.
Type in NETBEANS or ECLIPSE for Window Application.
Here after , I am just typing the programs only..to know more about it , refer

Introduction to JAVA 

before doing any JAVA Programs.

***********************************************************************************************

import java.io.*;

class math1

{

public static void main(String args[])

{

 float a,b,result;

 try

 {

  DataInputStream x=new DataInputStream(System.in);

  System.out.println("Enter the first number :");

  a=Float.parseFloat(x.readLine());

  System.out.println("Enter the second number :");

  b=Float.parseFloat(x.readLine());

   result=a+b;

   System.out.println("Addition = "+result);

   result=a-b;

   System.out.println("Subtraction = "+result);

   result=a*b;

   System.out.println("Multiplication = "+result);

   result=a/b;

   System.out.println("Division = "+result);

 }

 catch(Exception e)

 {

 }

}

}

========================================================================= 

Output : 

Enter the first number

12.24

Enter the second number

12.28

Addition=24.52

Subtraction =-0.03999996

Multiplication =150.30719

Division=0.99674267

Refer Four Calculations-Floating no also.

CJ-5 : Four Calculations-Integer no

Type the programs in NOTEPAD or DOS prompt itself, for Consol Application.
Type in NETBEANS or ECLIPSE for Window Application.
Here after , I am just typing the programs only..to know more about it , refer

Introduction to JAVA 

before doing any JAVA Programs.

***********************************************************************************************

import java.io.*;

class math

{

public static void main(String args[])

{

int a,b,result;

try

{

DataInputStream x=new DataInputStream(System.in);

System.out.println("Enter the first number :");

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

System.out.println("Enter the second number :");

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

result=a+b;

System.out.println("Addition = "+result);

result=a-b;

System.out.println("Subtraction = "+result);

result=a*b;

System.out.println("Multiplication = "+result);

result=a/b;

System.out.println("Division = "+result);

}

catch(Exception e)

{

}

}

}

========================================================================= 

Output : 

Enter the first number

8

Enter the second number

4

Addition=12

Subtraction =4

Multiplication =32

Division=2

Refer Four Calculations-Floating no also.

CJ-4 : Sum(user defined values)

Type the programs in NOTEPAD or DOS prompt itself, for Consol Application.
Type in NETBEANS or ECLIPSE for Window Application.
Here after , I am just typing the programs only..to know more about it , refer

Introduction to JAVA 

before doing any JAVA Programs.

*********************************************************************************************
Refer Sum(predefined values) also.
*********************************************************************************************
import java.io.*;

class Adduser 

{

public static void main(String args[]) 

{   

     int a,b,sum;

     try

{

DataInputStream x=new DataInputStream(System.in);

System.out.println("Enter two numbers :");

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

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

sum=a+b;

System.out.println("Addition= "+sum);

}

   catch(Exception e)

   {

   }

}

}

========================================================================= 

Output : 

Enter two numbers :

30

20

Addition=50.

CJ-3 : Sum(predefined values)

Type the programs in NOTEPAD or DOS prompt itself, for Consol Application.
Type in NETBEANS or ECLIPSE for Window Application.
Here after , I am just typing the programs only..to know more about it , refer

Introduction to JAVA 

before doing any JAVA Programs.

************************************************************************************
Refer Sum(user defined values) also.
************************************************************************************

class Add 

{

public static void main(String args[]) 

{   

     int a,b,c;

     a=20;

     b=40;

     c=a+b;

     System.out.println("Addition="+c);

}

}

=========================================================================

Output : Addition=60.