Main.java

package com.yashas;

public class Main {

    public static void main(String[] args) {
	// q store 5 roll no
       // int a=2;
       // int b=4;
        //int h=5;


        // syntax
        // datatype[] variable_name = new  datatype[size];

        // store 5  roll no
      //  int[] roll_no=new int[5];

       // or
       // int[] ro_no={2,3,4,5,6};

      /* int[] roll_no;//-->[lhs part] declaration of array .roll_no is getting defined in the stack
        roll_no=new int[5];// initialisation:actually here object is being created  int the memory(hea)
         System.out.println(roll_no[1]);

        String[] arr= new String[3];
        System.out.println(arr[1]);*/

    }
}