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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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>; }
Given:
Which exception or error will be thrown when a programmer attempts to run this code?()
A.java.lang.StackOverflowError
B.java.lang.IllegalStateException
C.java.lang.ExceptionInInitializerError
D.java.lang.ArrayIndexOutOfBoundsException
Given:
What is the result?()
A.B
B.The code runs with no output.
C.Compilation fails because of an error in line 12.
D.Compilation fails because of an error in line 15.
E.Compilation fails because of an error in line 18.
Given:
What is the result?()
A.The value "4" is printed at the command line.
B.Compilation fails because of an error in line 5.
C.Compilation fails because of an error in line 9.
D.A NullPointerException occurs at runtime.
E.A NumberFormatException occurs at runtime.
F.An IllegalStateException occurs at runtime.
Click the Exhibit button. Given:Which statement is true if a TestException is thrown on line 3 of class B? ()
A.Line 33 must be called within a try block.
B.The exception thrown by method1 in class A is not required to be caught.
C.The method declared on line 31 must be declared to throw a RuntimeException.
D.On line 5 of class A, the call to method2 of class B does not need to be placed in a try/catch block.
最新试题
Which two code fragments are most likely to cause a StackOverflowError?()
Click the Exhibit button. What two must the programmer do to correct the compilation errors? ()
Given:What is the result? ()
DRAG DROP Click the Task button.
A team of programmers is involved in reviewing a proposed design for a new utility class. After some discussion, they realize that the current design allows other classes to access methods in the utility class that should be accessible only to methods within the utility class itself.What design issue has the team discovered?()
Given:What is the result?()
Click the Exhibit button. What is the result? ()
Click the Exhibit button. Which three code fragments, added individually at line 29, produce the output 100?()
Given:What is the result?()
DRAG DROP Click the Task button.