單項選擇題

Given：

When line 14 is reached， how many objects are eligible for the garbage collector？（）

A.0
B.1
C.2
D.3
E.4

你可能感興趣的試題

單項選擇題

Given：

What is the result？（）

A.Compilation fails.
B.An exception is thrown at runtime.
C.doStuff x = 6 main x = 6
D.doStuff x = 5 main x = 5
E.doStuff x = 5 main x = 6

單項選擇題

Given：

and two separate command line invocations：
java Yippee
java Yippee 1 2 3 4
What is the result？（）

A.No output is produced.1 2 3
B.No output is produced.2 3 4
C.No output is produced.1 2 3 4
D.An exception is thrown at runtime.1 2 3