单项选择题
A. AAA
B. BBB
C. Compilation fails.
D. The code runs with no output.
单项选择题 WhathappenswhenthreadXexecutesawait()methodonobjectA,withoutowningobjectA’slock?()
单项选择题 public class SyncTest { private int x; private int y; private synchronized void setX( int i ) { x = i; } private synchronized void setY( int i ) { y = i; } public void setXY( int i ) { setX(i); setY(i); } public synchronized boolean check() { return x != y; } } Under which condition will check return true when called from a different class? ()
单项选择题 package foo; public class Outer { public static class Inner { } } Which statement is true?()