--- You have made a lot of mistakes in your composition. --- ______ I checked it several times.
A.
So what?
B.
I’m afraid so.
C.
What’s up?
D.
You must be joking.
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【单选题】以下代码的输出是什么? public class Test { public static void main(String[] args) { String s1 = "Welcome to Java!"; String s2 = "Welcome to Java!"; if (s1 == s2) System.out.println("s1 and s2 reference to the sa...