Variables & Datatypes in Java Programming

 Variables & Datatypes in Java Programming

                      

PROGRAM:

public class DataTypes

{

    public static void main(String args[])

    {

        //Primitive Datatypes

        byte a= 100;//size:1 byte ,range:-128 to 127

        short b= 5000;//size:2 bytes,range:-32768 to 32767

        int c=5;//size:4 bytes;

        long d=15000000000000l;//size:8 bytes;

        float e= 5.923456f;//size:4 bytes; sufficient to store 6 to 7 decimal digits

        double f=19.99999999999999;//size:8 bytes;sufficient to store 15 decimal digits

        boolean g=true;//1 bit,Stores true or false value

        char h='1';//size:2 bytes ; stores a single character/letter or Ascii values

        //Non primitive Datatypes

        String i="Hello World";

        System.out.println(a);

        System.out.println(b);

        System.out.println(c);

        System.out.println(d);

        System.out.println(e);

        System.out.println(f);

        System.out.println(g);

        System.out.println(h);

        System.out.println(i);

    }

}

O/P:

// 100

// 5000

// 5

// 15000000000000

// 5.923456

// 19.99999999999999

// true

// 1

// Hello World