单项选择题

Given:

Which statement is true?()

A. The cardID and limit variables break polymorphism.
B. The code demonstrates polymorphism.
C. The ownerName variable breaks encapsulation.
D. The setCardInformation method breaks encapsulation.
E. The class is fully encapsulated.

<上一题 目录 下一题>
热门 试题

单项选择题
Click the Exhibit button.   Given this code from Class B:   25. A a1 = new A();   26. A a2 = new A();   27. A a3 = new A();   28. System.out.println(A.getInstanceCount());   What is the result?()

A. Compilation of class A fails.
B. Line 28 prints the value 3 to System.out.
C. Line 28 prints the value 1 to System.out.
D. Compilation fails because of an error on line 28.
E. A runtime error occurs when line 25 executes.

多项选择题
Which two code fragments correctly create and initialize a static array of int elements?()

A.A
B.B
C.C
D.D

相关试题
  • Given: What is the result?()
  • Given: 11. insert code here 1...
  • Given: 12. NumberFormat nf = N...
  • Click the Exhibit button. What is...
  • Given: What is the result?()