Declaration and Access Control
Suppose a class has public visibility. In this class we define a protected method. Which of the following statements is correct?

This method is accessible from within the class itself and from within all classes defined in the same package as the class itself.
In a class, you cannot declare methods with a lower visibility than the visibility of the class in which it is defined.
This method is only accessible from inside the class itself and from inside all subclasses.
From within protected methods you do not have access to public methods.

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Declaration and Access Control
Choose all the lines which if inserted independently instead of "//insert code here" will allow the following code to compile:public class Test{ public static void main(String args[]){ add(); add(1);add(1, 2); }// insert code here}

static void add(int args...){}
void add(Integer... args){}
static void add(int[]... args){}
static void add(int... args, int y){}
static void add(int...args){}

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Declaration and Access Control
Which statements are most accurate regarding the following classes?class A{ private int i; protected int j;}class B extends A{ private int k; protected int m;}

An object of B contains data fields j, k, m.
An object of B contains data fields k, m.
An object of B contains data fields j, m.
An object of B contains data fields i, j, k, m.

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Declaration and Access Control
A method within a class is only accessible by classes that are defined within the same package as the class of the method. Which one of the following is used to enforce such restriction?

Do not declare the method with any accessibility modifiers.
Declare the method with the keyword public and private.
Declare the method with the keyword protected.
Declare the method with the keyword public.
Declare the method with the keyword private.

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Declaration and Access Control
What will be the output after the following program is compiled and executed?public class Test{ public static void main(String args[]){ int x = 10; x = myMethod(x--); System.out.print(x); } static int myMethod(final int x){ return x--; }}

None of these
The program will lead to compilation error.
The will compile successfully and display 9 as output.
The program will lead to runtime error.
The program will compile successfully and display 10 as output.

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