OCJP(310-065)單項(xiàng)選擇題每日一練(2019.01.23)

A.2
B.24
C.234
D.246
E.2346

A.public int compareTo（Object o）{/*more code here*/}
B.public int compareTo（Score other）{/*more code here*/}
C.public int compare（Score s1，Score s2）{/*more code here*/}
D.public int compare（Object o1，Object o2）{/*more code here*/}

A.0
B.1
C.2
D.3
E.4

A.Compilation fails.
B.An exception is thrown at runtime.
C.[608， 610， 612， 629] [608， 610]
D.[608， 610， 612， 629] [608， 610， 629]
E.[606， 608， 610， 612， 629] [608， 610]

A.Hello
B.Hello World
C.Compilation fails.
D.Hello World 5
E.The code runs with no output.