Java for beginners - Chapter 24 : Static classes in Java Part -1

Nested class : Java allow us to define a class within another class, such a class is called a nested class.
Outer class : The class which encloses the nested class is called a outer class.
In java ,we can’t make Outer class as static, only nested classes can be static.

Static nested class cannot access non-static data members and methods.
Static nested class can be accessed by outer class name.
Static nested class can access static data members of outer class including private.

Java static nested class example with instance method :


class Outer
{
static int data=30;

static class Inner
{
void print()
{
System.out.println("data is "+data);
}
}

public static void main(String args[])
{
Outer.Inner obj = new Outer.Inner();
obj.print();
}
}

Java static nested class example with static method :
class Outer
{
static int data=30;

static class Inner
{
static void print()
{
System.out.println("data is "+data);}
}
}
public static void main(String args[])
{
Outer.Inner.print();
}
}

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