package eshore;
public class Demo7 {
public static void main(String[] args) {
Integer a1 = 100, a2 = 100;
Integer b1 = 200, b2 = 200;
System.out.println(a1 == a2);
System.out.println(b1 == b2);
}
}
结果为多少? 为什么?
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