Answer Posted / shaik baji

Anonymous inner class comes in two forms

1)Normal Anonymous Inner Class
2)Parametrized Anonymous Inner Class

1) Normal Anonymous Inner Class:

Again the Normal Anonymous Inner class is two types

a)Extending the class by Anonymous Inner Class
b)Implementing the interface by Anonymous Inner
Class

a)Extending the class by Anonymous Inner Class

class One
{
void printOne()
{
System.out.println("One");
}
}
class AnonymousDemoByClass
{
public static void main(String Arg[])
{
One obj = new One(){
void printOne()
{
printTwo();
}
void printTwo()
{
System.out.println
("Two");
}
};
obj.printOne();
}
}



Output: Two







b) Implementing the interface by Anonymous Inner
Class

interface One
{
void printOne();
}
class AnonymousDemoByInterface
{
public static void main(String Arg[])
{
One obj = new One(){
public void printOne()
{
printTwo();
}
void printTwo()
{
System.out.println
("Two");
}
};
obj.printOne();
}
}

Output: Two

2)Parametrized Anonymous Inner Class:

Here we are implementing our Anonymous inner class as a
paramer to any method.

interface One
{
void printOne();
}

class ParameterizedAnonymousDemo
{
public static void main(String Arg[])
{
ParameterizedAnonymousDemo obj =
new ParameterizedAnonymousDemo();
obj.doSomething(new One(){
public void printOne
()
{

System.out.println("One");
}
});

}
public void doSomething(One objOne)
{
objOne.printOne();
}
}

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