SCJP Questions And Answers

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- 65 - QUESTION NO 125
Which two statements are true regarding the creation of a default constructor? (Choose Two)
A. The default constructor initializes method variables.
B. The default constructor invokes the no-parameter constructor of the superclass.
C. The default constructor initializes the instance variables declared in the class.
D. If a class lacks a no-parameter constructor,, but has other constructors, the compiler creates a default constructor. E. The compiler creates a default constructor only when there are no other constructors for the class.

Answer: C, E

QUESTION NO 126
Given: 1. public class OuterClass {
2. private double d1 1.0;
3. //insert code here
4. }
You need to insert an inner class declaration at line2. Which two inner class declarations are valid?
(Choose Two)
A. static class InnerOne { public double methoda() {return d1;} }
B. static class InnerOne { static double methoda() {return d1;} } C. private class InnerOne { public double methoda() {return d1;} } D. protected class InnerOne { static double methoda() {return d1;} } E. public abstract class InnerOne { public abstract double methoda(); }

Answer: C, E