Java 8 | 03rd | Java Functional Interfaces: Consumer, Supplier, & Predicate Explained
📚 Welcome to Exponent IT! In this video, we explore three essential functional interfaces in Java: Consumer, Supplier, and Predicate. Learn how these interfaces can be used to write more functional and expressive code in Java.
🚀 What You'll Learn:
Consumer – Understand the Consumer interface, which represents an operation that accepts a single input argument and returns no result. Ideal for operations that only consume input.
Supplier – Learn about the Supplier interface, which represents a function that supplies a result of a given type without any input. Perfect for generating values or providing defaults.
Predicate – Discover the Predicate interface, which represents a function that takes a single argument and returns a boolean value. Useful for filtering and conditional checks.
💡 Why These Interfaces Matter:
Consumer: Enables you to perform operations with side effects, such as processing or printing data.
Supplier: Facilitates lazy evaluation and provides a way to generate values on demand.
Predicate: Allows you to perform logical operations and filtering in a functional style.
🔍 Key Concepts Covered:
Consumer Interface: Usage examples and common use cases in Java, such as using with collections and streams.
Supplier Interface: Examples of generating values, including random number generation and default values.
Predicate Interface: Practical applications for filtering data and making decisions based on conditions.
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