A team of programmers is reviewing a proposed API for a new utility class. After some discussion， theyrealize that they can reduce the number of methods in the API without losing any functionality.
If theyimplement the new design，which two OO principles will they be promoting？（）
A.Looser coupling
B.Tighter coupling
C.Lower cohesion
D.Higher cohesion
E.Weaker encapsulation
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Given：
Which is true？（）
A.If line 10 is removed， the compilation succeeds.
B.If line 11 is removed， the compilation succeeds.
C.If line 12 is removed， the compilation succeeds.
D.If line 13 is removed， the compilation succeeds.
E.More than one line must be removed for compilation to succeed.
Given：
What is the result？（）
A.0，0，0
B.150，60，0
C.Compilation fails.
D.150，150，150
Given：
1.package test；
2.
3.class Target {
4.public String name = "hello"；5.}
What can directly access and change the value of the variable name？（）
A.any class
B.only the Target class
C.any class in the test package
D.any class that extends Target
A.class Man extends Dog { }
B.class Man implements Dog { }
C.class Man { private BestFriend dog； }
D.class Man { private Dog bestFriend； }
E.class Man { private Dog
F.class Man { private BestFriend
Given：
Which two， independently， will allow Sub to compile？（）
A.Change line 2 to：public int a；
B.Change line 2 to：protected int a；
C.Change line 13 to：public Sub（） { this（5）； }
D.Change line 13 to：public Sub（） { super（5）； }
Given：
Which five methods， inserted independently at line 5， will compile？（）
A.public int blipvert（int x） { return 0； }
B.private int blipvert（int x） { return 0； }
C.private int blipvert（long x） { return 0； }
D.protected long blipvert（int x） { return 0； }
E.protected int blipvert（long x） { return 0； }
F.protected long blipvert（long x） { return 0； }
Given：
What is the result?（）
A.0.0
B.Compilation fails.
C.A ParseException is thrown by the parse method at runtime.
D.A NumberFormatException is thrown by the parse method at runtime.
Given：
What is the result？（）
A.test
B.null
C.An exception is thrown at runtime.
D.Compilation fails because of an error in line 1.
E.Compilation fails because of an error in line 4.
F.Compilation fails because of an error in line 5.
Given：
What is the result？（）
A.Compilation fails.
B.atom granite
C.granite granite
D.atom granite granite
E.An exception is thrown at runtime.
F.atom granite atom granite
最新试题
Given：What is the result？（）
Given a correctly compiled class whose source code is：Assume that the class file is located in /foo/com/sun/sjcp/， the current directory is /foo/， and that theclasspath contains "." （current directory）.Which command line correctly runs Commander？（）
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Click the Exhibit button.Which statement is true about the set variable on line 12？（）
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Given：What is the result？（）
Given：What is the result？（）
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