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Java 8 | IntSupplier Interface with Examples

  • Last Updated : 10 Oct, 2018

The IntSupplier Interface is a part of the java.util.function package which has been introduced since Java 8, to implement functional programming in Java. It represents a function which does not take any argument but produces an int value.

The lambda expression assigned to an object of IntSupplier type is used to define its getAsInt() which eventually applies the given operation on its argument. It is similar to using an object of type Supplier<Integer>

Functions in IntSupplier Interface

The IntSupplier interface consists of the only one function:

1. getAsInt()

This method does not take in any value but produces an int-valued result.

Syntax:

int getAsInt()

Return Value: This method returns an int value.

Below is the code to illustrate getAsInt() method:

Program:




// Java program to illustrate
// getAsInt method of IntSupplier Interface
  
import java.util.function.IntSupplier;
  
public class GFG {
    public static void main(String args[])
    {
  
        // Create a IntSupplier instance
        IntSupplier
            sup
            = () -> (int)(Math.random() * 10);
  
        // Get the int value
        // Using getAsInt() method
        System.out.println(sup.getAsInt());
    }
}
Output:
7

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