单项选择题
Given： 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.
Given： What is the result？（）A.CatB.DogC.Compilation fa...
A.Cat B.Dog C.Compilation fails. D.The code runs with no output. E.An exception is thrown at runtime.
Giventhatt1isareferencetoalivethread，whichistrue？（）A.Th...
单项选择题Given that t1 is a reference to a live thread， which is true？（）
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.
Given： Which two changes， taken together， would guaran...
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
