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);
}
}
結(jié)果為多少？?為什么？
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