Describe the difference between the .following two programs class Progarml { public static void main(String[] args) { int[] a = {1, 2}: q3(a); System.out.println( a[0]+ class Program2 { public static...

Extracted text: Describe the difference between the .following two programs class Progarml { public static void main(String[] args) { int[] a = {1, 2}: q3(a); System.out.println( a[0]+ class Program2 { public static void main(String[] args) { int[] a = {1, 2}; q3(a[0], a[1]): System.out.println(a[0]+ " "+ a[1]):} +a[1]);} static void q3(int nl, int n2){ static void swap(int[] a) { int t = a[0]: a[0] = a[1]; a[1] = t;} int t =nl: nl = n2: n2 = t:}