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全部科目 > Oracle认证考试 > OCJP(310-065)

多项选择题

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

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