Java 8 Predicate Functional Interface | test(), and(), or(), negate() with Examples

Published: 16 July 2026
on channel: Rajesh Daily Tech

🚀 Master the Java 8 Predicate Functional Interface with simple, beginner-friendly examples!

In this tutorial, you'll learn how to use the Predicate Functional Interface in Java 8, including the most commonly used methods: test(), and(), or(), and negate(). We'll build simple examples using numbers divisible by 2 and 3 so you can clearly understand Predicate chaining and Boolean logic.

Whether you're a beginner, preparing for Java interviews, or learning Java 8 functional programming, this video will help you understand Predicate with practical examples.

📚 What You'll Learn

✅ What is the Predicate Functional Interface?

✅ How the test() method works

✅ Using Predicate.and()

✅ Using Predicate.or()

✅ Using Predicate.negate()

✅ Predicate Chaining

✅ Boolean Logic (AND, OR, NOT)

✅ Real Java 8 Coding Examples

✅ Java 8 Interview Questions

💻 Example Covered

✔ Check if a number is divisible by 2

✔ Check if a number is divisible by 3

✔ Combine multiple predicates using:

and()
or()
negate()

✔ Understand the output with step-by-step explanation

🎯 Who Should Watch?
Java Beginners
Java Developers
Spring Boot Developers
College Students
Software Engineers
Anyone preparing for Java Interviews
Anyone learning Java 8 Functional Programming

#Java #Java8 #Predicate #FunctionalInterface #Lambda #JavaProgramming #JavaTutorial #Coding #Programming #SpringBoot #InterviewPreparation

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