/**
 * 
 */

/**
 * @author DELL
 * Project Name: Java_learn
 * Class Name: test_type
 * date: 2019年9月30日
 */
public class test_type {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Integer a=127;
        Integer b=127;
        Integer c=128;
        Integer d=128;
        System.out.println(a == b);
        System.out.println(a.equals(b));
        System.out.println(c == d);
        System.out.println(c.equals(d));
        System.out.println(a.getClass().toString());
    }
}