Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
How to use IntSupplier in lambda expression in Java?
An IntSupplier is a functional interface defined in "java.util.function" package. This interface represents an operation that takes without arguments and returns the result of int type. IntSupplier interface has only one method, getAsInt() and returns a result. This functional interface can be used as an assignment target for lambda expressions or method references.
Syntax
@FunctionalInterface
public interface IntSupplier {
int getAsInt();
}Example
import java.util.function.IntSupplier;
public class IntSupplierTest {
public static void main(String[] args) {
IntSupplier intSupplier1 = () -> Integer.MAX_VALUE; // lamba expression
System.out.println("The maximum value of an Integer is: " + intSupplier1.getAsInt());
IntSupplier intSupplier2 = () -> Integer.MIN_VALUE;
System.out.println("The minimum value of an Integer is: " + intSupplier2.getAsInt());
int a = 10, b = 20;
IntSupplier intSupplier3 = () -> a*b;
System.out.println("The multiplication of a and b is: " + intSupplier3.getAsInt());
}
}Output
The maximum value of an Integer is: 2147483647 The minimum value of an Integer is: -2147483648 The multiplication of a and b is: 200
Updated on: 13-Jul-2020
471 Views
Advertisements