Given: What is the result?()
A.Canada B.null Canada C.Canada null D.Canada Canada E.Compilation fails due to an error on line 26.
多项选择题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
单项选择题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.
单项选择题Given: What is the result?()
A.0,0,0 B.150,60,0 C.Compilation fails. D.150,150,150
单项选择题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
单项选择题WhichManclsssproperlyrepresentstherelationship ManhasabestfriendwhoisaDog ?()
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; }