多项选择题
A.Foo.beta() is a valid invocation of beta().
B.Foo.alpha() is a valid invocation of alpha().
C.Method beta() can directly call method alpha().
D.Method alpha() can directly call method beta().
多项选择题 Given: And MainClass exists in the /apps/com/company/application directory. Assume the CLASSPATH environment variable is set to "." (current directory). Which two java commands entered at the command line will run MainClass?()
单项选择题 Given: What is the result?()
单项选择题 Click the Exhibit button. What is the output of the program shown in the exhibit?()