Given：
Which code， inserted at line 15， allows the class Sprite to compile？（）
A.Foo { public int bar（） { return 1； }
B.new Foo { public int bar（） { return 1； }
C.new Foo（） { public int bar（） { return 1； }
D.new class Foo { public int bar（） { return 1； }
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Click the Exhibit button.
Given： ClassA a = new ClassA（）；a.methodA（）；
What is the result？（）
A.Compilation fails.
B.ClassC is displayed.
C.The code runs with no output.
D.An exception is thrown at runtime.
Given：
35.String #name = "Jane Doe"；
36.int $age = 24；
37.Double _height = 123.5；
38.double ~temp = 37.5；
Which two statements are true？（）
A.Line 35 will not compile.
B.Line 36 will not compile.
C.Line 37 will not compile.
D.Line 38 will not compile.
Given：
What is the result？（）
A.An exception is thrown at runtime.
B.Compilation fails because of an error in line 7.
C.Compilation fails because of an error in line 4.
D.Compilation succeeds and no runtime errors with class A occur.
Given：
What is the result？（）
A.13
B.134
C.1234
D.2134
Given：
Which two methods， inserted independently at line 17， correctly complete the Sales class？（）
A.double getSalesAmount（） { return 1230.45； }
B.public double getSalesAmount（） { return 1230.45； }
C.private double getSalesAmount（） { return 1230.45； }
D.protected double getSalesAmount（） { return 1230.45； }
Given：
Which three methods， inserted individually at line 14， will correctly complete class Two？（）
A.int foo（） { /* more code here */ }
B.void foo（） { /* more code here */ }
C.public void foo（） { /* more code here */ }
D.private void foo（） { /* more code here */ }
E.protected void foo（） { /* more code here */ }
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.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.
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
最新试题
Given：What is the result？（）
Given：What are four valid examples of polymorphic method calls？（）
Given：What is the result？（）
Click the Exhibit button.Which graph represents the correct directory structure for a JAR file from which those classes can be used by the compiler and JVM？（）
Given：What is the result？（）
Given：What is the result？（）
Given：A programmer is developing a class Key， that will be used as a key in a standard java.util.HashMap. Which two methods should be overridden to assure that Key works correctly as a key？（）
Click the Exhibit button.Which statement is true about the set variable on line 12？（）
Given：Which code fragment， inserted at the end of line 12， produces the output p is 420？（）
Given：What is the result？（）