Given:
Which line of code marks the earliest point that an object referenced by intObj becomes a candidate for garbage collection?()
A.Line 16
B.Line 17
C.Line 18
D.Line 19
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Given:
What is the result?()
A.Exception
B.A NullPointerException is thrown at runtime.
C.Compilation fails because of an error in line 20.
D.Compilation fails because of an error in line 14.
Given:
What is the result?()
A.null
B.zero
C.some
D.Compilation fails.
E.An exception is thrown at runtime.
Given:
What is the result?()
A.2
B.24
C.234
D.246
E.2346
Given:
What is the result?()
A.null
B.finally
C.null finally
D.Compilation fails.
E.finally exception
Given:
What is the result?()
A.harrier
B.shepherd
C.retriever
D.Compilation fails.
E.retriever harrier
Given:
What is the result?()
A.1
B.12
C.14
D.123
Click the Exhibit button
Which two statements are true if a NullPointerException is thrown on line 3 of class C?()
A.The application will crash.
B.The code on line 29 will be executed.
C.The code on line 5 of class A will execute.
D.The code on line 5 of class B will execute.
E.The exception will be propagated back to line 27.
Given:
Which command-line invocations will compile?()
A.javac Mule.java
B.javac -source 1.3 Mule.java
C.javac -source 1.4 Mule.java
D.javac -source 1.5 Mule.java
Given a method that must ensure that its parameter is not null:
What, inserted at line 12, is the appropriate way to handle a null value?()
A.assert value == null;
B.assert value != null, "value is null";
C.if (value == null) { throw new AssertionException("value is null"); }
D.if (value == null) { throw new IllegalArgumentException("value is null"); }
Given:
What is the result?()
A.An Exception is thrown with no other output
B.B, followed by an Exception.
C.Compilation fails due to an error on line 9.
D.Compilation fails due to an error on line 15.
最新试题
Given a correctly compiled class whose source code is:Assume that the class file is located in /foo/com/sun/sjcp/, the current directory is /foo/, and that theclasspath contains "." (current directory).Which command line correctly runs Commander?()
Given:Which two code fragments, inserted independently at line 5, will compile without warnings?()
Given a method that must ensure that its parameter is not null:What, inserted at line 12, is the appropriate way to handle a null value?()
Given:What is the result?()
Given:Which line of code marks the earliest point that an object referenced by intObj becomes a candidate for garbage collection?()
Given:What is the result?()
Given:What is the result?()
Given:What is the result?()
Given:What is the result?()
Click the Exhibit button.What is the result?()