Syntax error The contains() method of the Java Ennead Tuple

The contains() method of the Java Ennead Tuple

The contains() method of the Ennead Tuple in Java is used to search for a value in the Tuple. To find the existence of a value, you need to just set it as a parameter of the method. It returns a boolean value i.e. TRUE is returned for the existence of a value, else FALSE.

Let us first see what we need to work with JavaTuples. To work with Ennead class in JavaTuples, you need to import the following package −

import org.javatuples.Ennead;

Note − Download JavaTuples Jar library to run JavaTuples program. If you are using Eclipse IDE, then Right Click Project -> Properties -> Java Build Path -> Add External Jars and upload the downloaded JavaTuples jar file. Refer the below guide for all the steps to run JavaTuples −

Steps − How to run JavaTuples program in Eclipse

The following is an example to implement the contains() method of the Ennead Tuple in Java −

Example

import org.javatuples.Ennead;
public class Demo {
   public static void main(String[] args) {
      Ennead<String, String, String, String, String, String, String, String, String> e =
         Ennead.with("Katie", "Tom","Ryan", "Tim","Bradley", "David","Steve", "Brad", "Jacob");
      System.out.println("Tuple elements = "+e);
      boolean res = e.contains("Justin");
      System.out.println("Does the value exist in the Tuple? "+res);
   }
}

Output

Tuple elements = [Katie, Tom, Ryan, Tim, Bradley, David, Steve, Brad, Jacob]
Does the value exist in the Tuple? False
Updated on: 2019-07-30T22:30:25+05:30

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