OCJP(310-065)多項選擇題每日一練(2019.03.21)

A.Compilation fails.
B.The code compiles and the output is 2.
C.If lines 16， 17 and 18 were removed， compilation would fail.
D.If lines 24， 25 and 26 were removed， compilation would fail.
E.If lines 16， 17 and 18 were removed， the code would compile and the output would be 2.
F.If lines 24， 25 and 26 were removed， the code would compile and the output would be 1.

A.super（name， baseSalary）；
B.this.commission = commission；
C.super（）； this.commission = commission；
D.this.commission = commission； super（）；
E.super（name， baseSalary）； this.commission = commission；

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（）.

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

A.declare reset（） using the synchronized keyword
B.declare getName（） using the synchronized keyword
C.declare getCount（） using the synchronized keyword
D.declare the constructor using the synchronized keyword
E.declare increment（） using the synchronized keyword