Java Lambda - DoublePredicate negate example

• Back to DoublePredicate  ↑

Returns a predicate that represents the logical negation of this predicate.

Syntax

negate has the following syntax.

default DoublePredicate negate()

Example

The following example shows how to use negate.

import java.util.function.DoublePredicate;
/*from ww w .  jav a 2  s .c o  m*/
public class Main {

  public static void main(String[] args) {
    DoublePredicate dp = (d) -> d > 0;

   
    System.out.println(dp.test(0.5));
    System.out.println(dp.negate().test(0.5));
  }
}

The code above generates the following result.

• Back to DoublePredicate  ↑