package basic;

/**
 * equals�������ᴦ������ת������ ��װ�����==�ڲ������������������²����Զ�����
 *
 * @author yangqc 2016.12.20
 */
public class TestInteger {

    public static void main(String[] args) {
        Integer a = 1;
        Integer b = 2;
        Integer c = 3;
        Integer d = 3;
        Integer e = 321;
        Integer f = 321;
        Long g = 3L;

        System.out.println(c == d);
        System.out.println(e == f);
        System.out.println(c == (a + b));
        System.out.println(c.equals(a + b));
        System.out.println(g == (a + b));  //����
        System.out.println(g.equals(a + b));
    }
}