static nested class java o que é code example
Example 1: Nested classes in java
// anonymous inner class as method argument.
interface HelloWorld
{
String print();
}
public class AnonymousInnerDemo
{
// method accepts object of interface HelloWorld
public void display(HelloWorld m)
{
System.out.println(m.print() + "example of anonymous inner class as method argument.");
}
public static void main(String[] args)
{
AnonymousInnerDemo obj = new AnonymousInnerDemo();
// pass an anonymous inner class as an argument
obj.display(new HelloWorld() {
public String print() {
return "Hi! ";
}
});
}
}
Example 2: use of nested class in java
In Java, it is possible to define a class within another class, such
classes are known as nested classes. They enable you to logically group
classes that are only used in one place, thus this increases the use of
encapsulation, and creates more readable and maintainable code.