單項(xiàng)選擇題

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

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

你可能感興趣的試題

Which will declare a method that forces a subclass to implement it？（）

A. Public double methoda（）；
B. Static void methoda （double d1） {}
C. Public native double methoda（）；
D. Abstract public void methoda（）；
E. Protected void methoda （double d1）{}

單項(xiàng)選擇題

public class foo {
public static void main （String[]args） {
String s；
system.out.printIn （“s=” + s）；
}
}
What is the result？（）

A. The code compiles and “s=” is printed.
B. The code compiles and “s=null” is printed.
C. The code does not compile because string s is not initialized.
D. The code does not compile because string s cannot be referenced.
E. The code compiles， but a NullPointerException is thrown when toString is called.

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

你可能感興趣的試題

Which will declare a method that forces a subclass to implement it？（）

public class foo { public static void main （String[]args） { String s； system.out.printIn （“s=” + s）； } } What is the result？（）

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Which will declare a method that forces a subclass to implement it？（）

public class foo {
public static void main （String[]args） {
String s；
system.out.printIn （“s=” + s）；
}
}
What is the result？（）