Which three changes should be made to adapt this class to be used safely by multiple threads?()
A.declare reset() using the synchronized keyword
B.declare getName() using the synchronized keyword
C.declare getCount() using the synchronized keyword
D.declare the constructor using the synchronized keyword
E.declare increment() using the synchronized keyword
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What is the result?()
A.Compilation fails.
B.An exception is thrown at runtime.
C.The code executes and prints "running".
D.The code executes and prints "runningrunning".
E.The code executes and prints "runningrunningrunning".
What is the result?()
A.Compilation fails.
B.An exception is thrown at runtime.
C.The code executes normally and prints "sleep".
D.The code executes normally, but nothing is printed.
What is the result?()
A.The code will deadlock.
B.The code may run with no output.
C.An exception is thrown at runtime.
D.The code may run with output "0 6".
E.The code may run with output "2 0 6 4".
F.The code may run with output "0 2 4 6".
Which two statements are true?()
A.The output could be 8-1,7-2,8-2,7-1
B.The output could be 7-1,7-2,8-1,6-1
C.The output could be 8-1,7-1,7-2,8-2
D.The output could be 8-1,8-2,7-1,7-2
A.foo.notify();
B.bar.notify();
C.foo.notifyAll();
D.Thread.notify();
E.bar.notifyAll();
F.Object.notify();
Which two are possible results?()
A.0, 2, 4, 4, 6, 8, 10, 6
B.0, 2, 4, 6, 8, 10, 2, 4
C.0, 2, 4, 6, 8, 10, 12, 14
D.0, 0, 2, 2, 4, 4, 6, 6, 8, 8, 10, 10, 12, 12, 14, 14
E.0, 2, 4, 6, 8, 10, 12, 14, 0, 2, 4, 6, 8, 10, 12, 14
What is the result?()
A.Compilation fails.
B.An exception is thrown at runtime.
C.The code executes normally and prints "bar".
D.The code executes normally, but nothing prints.
What is the result?()
A.Cat
B.Dog
C.Compilation fails.
D.The code runs with no output.
E.An exception is thrown at runtime.
A.The Thread.sleep() method can take t1 as an argument.
B.The Object.notify() method can take t1 as an argument.
C.The Thread.yield() method can take t1 as an argument.
D.The Thread.setPriority() method can take t1 as an argument.
E.The Object.notify() method arbitrarily chooses which thread to notify.
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
E.wrap the for loop code inside the go() method with a synchronized block synchronized(this){//for loop code here}
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