Lambda Expressions in Java

Lambda Expressions in Java — a practical guide to Java lambda with clear examples you can reuse in real projects.

Java Tutorial Series (61/90). Prefer one article? Read the complete Java tutorial.

Short description

Lambdas work with functional interfaces and unlock Stream API style code.

Lambda

Runnable r = () -> System.out.println("run");
r.run();

java.util.List<String> names = java.util.List.of("b", "a");
names.stream().sorted().forEach(System.out::println);