//InnerClassDemo.Java
public class InnerClassDemo
{
           public InnerClassDemo()
{
System.out.println("This is InnerClassDemo constructor!");
}
public void print()
{
innerClass one=new innerClass();
one.print();
}
public static void main(String args[])
{
InnerClassDemo classObj=new InnerClassDemo();
classObj.print();
}
        class innerClass
{
                public innerClass ()
{
System.out.println("This is innerClass constructor!");
}
public void print()
{
System.out.println("Calling print() method of innerClass!");
}
        }
}