A.If the compile is successful, Utils.class is added to the source directory.
B.The compiler returns an invalid flag error.
C.If the compile is successful, Utils.class is added to the classes directory.
D.If the compile is successful, Utils.class is added to the bigProject directory.
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Click the Exhibit button. What is the output of the program shown in the exhibit?()
A.300-100-100-100-100
B.300-300-100-100-100
C.300-300-300-100-100
D.300-300-300-300-100
A UNIX user named Bob wants to replace his chess program with a new one, but he is not sure where theold one is installed. Bob is currently able to run a Java chess program starting from his home directory /home/bob using the command: java-classpath /test:/home/bob/downloads/*.jar games.Chess Bob'sCLASSPATH is set (at login time) to/usr/lib:/home/bob/classes:/opt/java/lib:/opt/java/lib/*.jar
What is a possible location for the Chess.class file?()
A./test/Chess.class
B./home/bob/Chess.class
C./test/games/Chess.class
D./usr/lib/games/Chess.class
E./home/bob/games/Chess.class
F.inside jarfile /opt/java/lib/Games.jar (with a correct manifest)
G. inside jarfile /home/bob/downloads/Games.jar (with a correct manifest)
Given classes defined in two different files:
What is required at line 5 in class SomeApp to use the process method of BitUtils?()
A.process(bytes);
B.BitUtils.process(bytes);
C.app.BitUtils.process(bytes);
D.util.BitUtils.process(bytes);
E.import util.BitUtils.*; process(bytes);
F.SomeApp cannot use the process method in BitUtils.
Given:
What is the result?()
A.81
B.82
C.91
D.92
E.Compilation fails.
F.An exception is thrown at runtime.
A. The JAR file is located at $JAVA_HOME/jre/classes/myLib.jar.
B. The JAR file is located at $JAVA_HOME/jre/lib/ext/myLib.jar..
C. The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar/Paper.class.
D. The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar.
E. The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -cp /foo/myLib.jar/Paper Book.java.
F. The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -d /foo/myLib.jar Book.java
G. The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -classpath /foo/myLib.jar Book.java
Given classes defined in two different files:What is required at line 5 in class SomeApp to use the process method of BitUtils?()
A. process(bytes);
B. BitUtils.process(bytes);
C. util.BitUtils.process(bytes);
D. SomeApp cannot use methods in BitUtils.
E. import util.BitUtils.*; process(bytes);
A.It is possible for more than two threads to deadlock at once.
B.The JVM implementation guarantees that multiple threads cannot enter into a deadlocked state.
C.Deadlocked threads release once their sleep() method's sleep duration has expired.
D.Deadlocking can occur only when the wait(), notify(), and notifyAll() methods are used incorrectly.
E.It is possible for a single-threaded application to deadlock if synchronized blocks are used incorrectly.
F.If a piece of code is capable of deadlocking, you cannot eliminate the possibility of deadlocking by inserting invocations of Thread.yield().
Given:
What is the result?()
A.Compilation fails.
B.An exception is thrown at runtime.
C.The code executes normally and prints "foo".
D.The code executes normally, but nothing is printed.
Given:
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.
Given:
Which is true?()
A.If line 10 is removed, the compilation succeeds.
B.If line 11 is removed, the compilation succeeds.
C.If line 12 is removed, the compilation succeeds.
D.If line 13 is removed, the compilation succeeds.
E.More than one line must be removed for compilation to succeed.
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