// Java program to demonstrate working of // instanceof operator public class Test {  public static void main(String[] args)  {  Integer i = new Integer(5);  // prints true as i is instance of class  // Integer  System.out.println(i instanceof Integer);  } } 

// Java program to demonstrate working of isInstance() // method public class Test {  // This method tells us whether the object is an  // instance of class whose name is passed as a  // string 'c'.  public static boolean fun(Object obj String c)  throws ClassNotFoundException  {  return Class.forName(c).isInstance(obj);  }  // Driver code that calls fun()  public static void main(String[] args)  throws ClassNotFoundException  {  Integer i = new Integer(5);  // print true as i is instance of class  // Integer  boolean b = fun(i 'java.lang.Integer');  // print false as i is not instance of class  // String  boolean b1 = fun(i 'java.lang.String');  // print true as i is also instance of class  // Number as Integer class extends Number  // class  boolean b2 = fun(i 'java.lang.Number');  System.out.println(b);  System.out.println(b1);  System.out.println(b2);  } } 

public class Test {  public static void main(String[] args)  {  Integer i = new Integer(5);  // Below line causes compile time error:-  // Incompatible conditional operand types  // Integer and String  System.out.println(i instanceof String);  } }