Java instanceof Operator / Chapter -6 / Operator & Assignments


java instanceof

Java instanceof  Operator


1.We can apply instanceof operator is only for objects types. the instanceof operator checks whether the given objects is related to a particular type or not.


java instanceof

 example:-


java instanceof

 


Thread t =new Thread( );                                           


System.out.println(t instanceof Thread ) ; output is   true


System.out.println(t instanceof Object) ; output is    true


System.out.println(t instanceof Runable) ;output is   true


 2.To use instanceof operator compulsory there should be a relation between argument type(either parent to child or child to the parent or some type) otherwise, we will get the compile-time error saying"inconvertible types".


 example:-


Thread t =new Thread( );


System.out.println(t instanceof String) ;


Compile-Time Error saying"in-convertible types".


                            found : java.lang.Thread


                         required: java.lang.String


 Next:Chapter -7/Operator & Assignments / Bitwise  Operators


Back:Chapter -5/Operator & Assignments / Equality Operators 


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