Arrays | Java: Arrays are using for storing the multiple same data type values. Syntax: int[] a = {1, 2, 3}; int[] b = new int[n]; where n is the size of an array. Here is the Code: import java.io.*; class Main { public static void main (String[] args) { int[] a = {1, 2, 3}; System.out.println(a[2]); for(int i=0;i<a.length;i++) { System.out.println(a[i]); } int[] b = new int [5]; for(int i=0;i<b.length;i++) { b[i]=5; System.out.println(b[i]); } } } Output: 3 1 2 3 5 5 5 5 5 Here is the Video: