多项选择题
A.java MainClass if run from the /apps directory
B.java com.company.application.MainClass if run from the /apps directory
C.java -classpath /apps com.company.application.MainClass if run from any directory
D.java-classpath . MainClass if run from the /apps/com/company/application directory
E.java -classpath /apps/com/company/application：. MainClass if run from the /apps directory
F.java com.company.application.MainClass if run from the /apps/com/company/application directory
单项选择题 Given the following directory structure： And the following command line invocation： javac –d classes source/Utils.java Assume the current directory is bigProject， what it the result？（）
单项选择题 Which code， inserted at line 16， will cause a java.lang.ClassCastException？（）
单项选择题 What is the result？（）
