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 JARnamedmyLib.jar.Whichthree，taken independently，will allow the developer to use the Paper class while compiling the Book class？（）
A.The JAR fileis located at$JAVA_HOME/jre/classes/myLib.jar.
B.The JAR fileis located at$JAVA_HOME/jre/lib/ext/myLib.jar.
C.TheJ AR fileis located at/foo/myLib.jar and aclasspath environment variable is set that includes /foo/myLib.jar/Paper.class.
D.The JAR fileis 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-classpath/foo/myLib.jar Book.java.
相关考题
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多项选择题
11.public class Commander{ 12.public static void main（String[]args）{ 13.String myProp=/*insert code here*/ 14.System.out.println（myProp）； 15.} 16.} and the command line： java-Dprop.custom=gobstopper Commander Which two，placed on line13，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
package com.sun.sjcp； public class Commander{ public static void main（String[]args）{ //more code here } } Assume that the class fileis located in /foo/com/sun/sjcp/，the current directory is/foo/，and that the classpath contains“.“（current directory）. Which command line correctly runs Commander？（）
A.java Commander
B.java com.sim.sjcp.Commander
C.java com/sun/sjcp/Commander
D.java-cpcom.sun.sjcp Commander
E.java-cpcom/sun/sjcp Commander -
单项选择题
public classYippee{ public static void main（String[]args）{ for（intx=1；xSystem.out.print（args[x]+""）； } } } and two separate command line invocations：j avaYippee javaYippee1234 What is the result？（）
A.No output is produced. 123
B.No output is produced. 234
C.No output is produced. 1234
D.An exception is thrown at runtime. 123
E.An exception is thrown at runtime. 234
F.An exception is thrown at runtime. 1234
