// ClassDemo.java class ClassDemo { public static void main(String args[]) { Integer obj = new Integer(8); Class cls = obj.getClass(); if (obj instanceof Object) System.out.println("obj is instance of Object"); if (obj instanceof Integer) System.out.println("obj is instance of Integer"); if (cls instanceof Class) System.out.println("cls is instance of Class"); } } % java ClassDemo class java.lang.Integer obj is instance of Object obj is instance of Integer cls is instance of Class