int[] num = { 1, 2, 3, 4, 5 };
int temp[] = new int[5];
for (int i = 0; i < num.length; i++) {
System.out.print(num[i]);
}
System.out.println();
for (int i = 0; i < num.length; i++) {
temp[0] = num[0];
num[0] = num[2];
num[2] = temp[0];
System.out.print(num[i]);
}