A team of programmers is reviewing a p...

单项选择题A team of programmers is reviewing a proposed API for a new utility class. After some discussion,they realize that they can reduce the number of methods in the API without losing any functionality.If they implement 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
F.Stronger encapsulation

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1.多项选择题 Given:

Which two code fragments, inserted independently at line 13, will compile?（）

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;
F.this.commission = commission;super(name, baseSalary);
G.super(name, baseSalary, commission);

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2.多项选择题 Given:
Which four code fragments, inserted independently at line 7, will compile?（）

A.public void m1() { }
B.protected void m1() { }
C.private void m1() { }
D.void m2() { }
E.public void m2() { }
F.protected void m2() { }
G.private void m2() { }

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3.多项选择题 A company has a business application that provides its users with many different reports:
receivables reports, payables reports, revenue projects, and so on. The company has just purchased some new, state-of-the-art, wireless printers, and a programmer has been assigned the task of enhancing all of the reports to use not only the company's old printers, but the new wireless printers as well. When the programmer starts looking into the application, the programmer discovers that because of the design of the application, it is necessary to make changes to each report to support the new printers.
Which two design concepts most likely explain this situation?（）

A.Inheritance
B.Low cohesion
C.Tight coupling
D.High cohesion
E.Loose coupling
F.Object immutability

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4.单项选择题Which Man class properly represents the relationship "Man has a best friend who is a Dog"?（）

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<bestFriend>; }
F.class Man { private BestFriend<dog>; }

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5.问答题 DRAG DROP Click the Task button.