Chapter 11.9, Problem 11.9.1CP

“instanceof” operator:

• The “instanceof” operator in Java is used to test if the object is an instance of the particular type like superclass or subclass.
• The “instanceof” in Java will compares the instance with type so it also called as comparison operator.
• If the programmer apply the “instanceof” operator with any variable that contain “null” value and it return the result as false.

Example:

Consider the example of “instanceof” operator which is given below:

//definition of class "A"

class A

{

}

//definition of derived class "B"

class B extends A

{

}

//definition of class "Test"

class Test

{

//main method

 public static void ma...

“instanceof” operator:

• The “instanceof” operator in Java is used to test if the object is an instance of the particular type like superclass or subclass.
• The “instanceof” in Java will compares the instance with type so it also called as comparison operator.
• If the programmer apply the “instanceof” operator with any variable that contain “null” value and it return the result as false.

Example:

Consider the example of “instanceof” operator which is given below:

//definition of class "A"

class A

{

}

//definition of derived class "B"

class B extends A

{

}

//definition of class "Test"

class Test

{

//main method

 public static void mai...