Given: Which two changes, taken together, would guarantee the output: 1, 2, 3, 4, 5, ?()
- A、move the line 12 print statement into the foo() method
- B、change line 7 to public synchronized void go() {
- C、change the variable declaration on line 2 to private volatile int x;
- D、wrap the code inside the foo() method with a synchronized( this ) block
正确答案:A,D
答案解析:有

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