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多项选择题

Given:

Which two, inserted at line 11, will allow the code to compile?（）

A.public class MinMax<?> {
B.public class MinMax<? extends Number> {
C.public class MinMax<N extends Object> {
D.public class MinMax<N extends Number> {
E.public class MinMax<? extends Object> {
F.public class MinMax<N extends Integer> {

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单项选择题Given: What is the result?（）

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]
F.[606, 608, 610, 612, 629] [608, 610, 629]

单项选择题A programmer has an algorithm that requires a java.util.List that provides an efficient implementation of add(0, object), but does NOT need to support quick random access. What supports these requirements?（）

A.java.util.Queue
B.java.util.ArrayList
C.java.util.LinearList
D.java.util.LinkedList

单项选择题Given: Which method will complete this class?（）

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*/}

单项选择题Given: What is the result?（）

A.210
B.211
C.321
D.322
E.Compilation fails.
F.An exception is thrown at runtime.

单项选择题Click the Exhibit button. What is the result?（）

A.4321
B.0000
C.An exception is thrown at runtime.
D.Compilation fails because of an error in line 18.