for each loop in java explanation code example

Example 1: for each java

int [] intArray = { 10, 20, 30, 40, 50 };
        
for( int value : intArray ) {
   System.out.println( value );
}

Example 2: for each java

public class JavaArray {

    public static void main(String[] s) {
        int[] age = new int[5];
        age[0] = 21;
        age[1] = 23;
        age[2] = 45;
        age[3] = 31;
        age[4] = 33;
        for (int a : age) {
            System.out.println("age= " + a);
        }

    }
}