These are small Java programs meant for learning the fundamentals of the Java programming language.

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• Updated Aug 17, 2023
• Java

Pattern Matching for Switch Examples

java pattern-matching switch amber java-switch java-21 java21 jdk21

• Updated Nov 11, 2026
• Java

Tutorial covering JDK 12 Switch Statement/Expression as a Preview Feature

java tutorial java-switch

• Updated Mar 27, 2019
• Shell

Basic calculator demonstrating java switch statements

java-switch

• Updated Aug 23, 2024
• Java

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• Updated Mar 20, 2024

Example code for the HappyCoders article “Pattern Matching in Java” – pattern matching for instanceof and switch, record patterns, exhaustiveness with sealed types, dominance, case null, and primitive type patterns (preview). Every listing is a runnable compact source file, plus the ones that don't compile.

java pattern-matching switch instanceof java-switch java-records sealed-classes java-25 sealed-interfaces

• Updated Nov 5, 2026
• Java