Java equals() 方法

public class Test {



   public static void main(String args[]) {

      Integer x = 5;

      Integer y = 10;

      Integer z =5;

      Short a = 5;



      System.out.println(x.equals(y));  

      System.out.println(x.equals(z));

      System.out.println(x.equals(a));

   }

}