【单选题】运行下列程序的结果是: public class Test{ public static void main(String args[]){ Test s = new Test(); } publuc Test(){ String s1 = "Hello"; String s2 = new String("Hello"); if(s1==s2){ System.out.println("We ha...
【简答题】阅读理解。 We have a PE (体育) class this morning. It is very interesting. First, we do some warm-up exercises (热身运动). It's relaxing. Then, our PE teacher teaches us to play tennis. We watch him very careful...