多項選擇題

public class OuterClass {
private double d1 1.0；
//insert code here
}
You need to insert an inner class declaration at line2. Which two inner class declarations are valid？（）

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（）； }

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多項選擇題

Which two statements are true regarding the creation of a default constructor？（）

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.

單項選擇題

You want a class to have access to members of another class in the same package. Which is the most restrictive access modifier that will accomplish that will accomplish this objective？（）

A. Public
B. Private
C. Protected
D. Transient
E. No access modifier is required.

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public class OuterClass { private double d1 1.0； //insert code here } You need to insert an inner class declaration at line2. Which two inner class declarations are valid？（）

你可能感興趣的試題

Which two statements are true regarding the creation of a default constructor？（）

You want a class to have access to members of another class in the same package. Which is the most restrictive access modifier that will accomplish that will accomplish this objective？（）

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public class OuterClass {
private double d1 1.0；
//insert code here
}
You need to insert an inner class declaration at line2. Which two inner class declarations are valid？（）

Which two statements are true regarding the creation of a default constructor？（）

You want a class to have access to members of another class in the same package. Which is the most restrictive access modifier that will accomplish that will accomplish this objective？（）