如何交换数组的数据?

   public class Swap_Numbers {

       public static void main(String[] args) {


              int numTens[] = {1, 2, 3, 4, 5}; // First array of numbers
              int numHundred[] = {100, 200, 300, 400, 500}; //Second Array of Numbers


       System.out.println (numTens[3]); // I want my numTens displays numHundred
       System.out.println (numHundred[4]); // I want my numHundred displays numTens
  }
 }
   public class Swap_Numbers {

       public s