• Post Reply Bookmark Topic Watch Topic
  • New Topic
programming forums Java Mobile Certification Databases Caching Books Engineering Micro Controllers OS Languages Paradigms IDEs Build Tools Frameworks Application Servers Open Source This Site Careers Other Pie Elite all forums
this forum made possible by our volunteer staff, including ...
Marshals:
  • Campbell Ritchie
  • Liutauras Vilda
  • Tim Cooke
  • Jeanne Boyarsky
  • Paul Clapham
Sheriffs:
  • Devaka Cooray
  • Ron McLeod
  • paul wheaton
Saloon Keepers:
  • Tim Moores
  • Piet Souris
  • Tim Holloway
  • Stephan van Hulst
  • Carey Brown
Bartenders:
  • Al Hobbs
  • Frits Walraven
  • Scott Selikoff

Explain instanceof if-statement

 
Greenhorn
Posts: 28
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
class Smooth
class Silky extends Smooth{
int y =5;
int x = 7;
public static main(String...args){
new Silky().go();
}
void go(){

if(x > y &(Boolean)(this instaceof Silky))
System.out.print("a");
if(Long.valueOf()instanceof Number)
System.out.print("b");

}
}


Question: Please explain the if-statement
 
Java Cowboy
Posts: 16084
88
Android Scala IntelliJ IDE Spring Java
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
What exactly do you want to know; what the instanceof keyword means? With instanceof, you can check if an object is an instance of a particular class or interface.

By the way, the cast to Boolean in the if-statement is strange and unnecessary, and also the use of '&' instead of '&&' is strange.
 
It's a pleasure to see superheros taking such an interest in science. And this tiny ad:
the value of filler advertising in 2021
https://coderanch.com/t/730886/filler-advertising
reply
    Bookmark Topic Watch Topic
  • New Topic