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... Lambda expressions & Functional interfaces — Stream API deep dive — Optional class — Date & Time API — Wrapper classes, ...

Abstract method Why because interfaces only allows the abstract methods. Okay abstract methods that mean interfaces only ...

Streamed Live on Twitch: https://twitch.tv/tsoding More episodes: ...

ONLINE STUDENT DEVELOPMENT PROGRAM ON "Core Java Concepts with Hands-on Practice" on 29-12-2025 Contact ...