This tutorial demonstrates the power of lambda expressions by contrasting implementations of a mathematical example using C++, Java without lambdas, and Java 8 with lambda expressions.

The next tutorial in the Java 101 series will introduce method references, which you can combine with lambda expressions to write even more concise, readable Java code.

When the class is executed, the result is the text string lambda-tutorial.txt written to the console. Example UnaryOperator Lambda expression If you implement the UnaryOperator interface with a ...

System.out.printf ("\nLemieux's number is even: %s ", lambdaPredicate.test (66)); } } Java Predicate and lambda streams The use of functional expressions has been peppered throughout the Java API ever ...