单项选择题
Given:
What is the result?（）
A.1
B.2
C.12
D.Compilation fails.
E.No output is produced.
F.An exception is thrown at runtime.
相关考题
-
多项选择题
Given: and the command line: java -Dprop.custom=gobstopper Commander Which two, placed on line 13, will produce the output gobstopper?（）
A.System.load("prop.custom");
B.System.getenv("prop.custom");
C.System.property("prop.custom");
D.System.getProperty("prop.custom");
E.System.getProperties().getProperty("prop.custom"); -
单项选择题
Given: What is the result?（）
A.s14
B.s16
C.s10
D.Compilation fails.
E.An exception is thrown at runtime. -
多项选择题
A developer is creating a class Book, that needs to access class Paper. The Paper class is deployed in a JAR named myLib.jar. Which three, taken independently, will allow the developer to use the Paper class while compiling the Book class?（）
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
