第78題

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? (Choose Three.)

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
答案：BDG
參考：7-2 編譯Java 專案套件