惊天发现一个好玩的事

public class Main {
    public static void main(String[] args) {
        Long a = 33L ;
        Long b = 33L;
        System.out.println(a ==b);

        Long G = 127L;
        Long H= 127L;
        System.out.println(G ==H);
        //自动拆箱是在[-128,127]之间
        Long E = 128L;
        Long F = 128L;
        System.out.println(E ==F);

        Long c = 333L;
        Long d = 333L;
        System.out.println(c ==d);

    }
}