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While the term <strong>“lambda expression”</strong> may sound abstract and academic, Java 8 Lambdas can have a big impact on how you program every day. Java 8 has not only introduced <a href="http://javarevisited.blogspot.com/2014/02/10-example-of-lambda-expressions-in-java8.html">Lambda expressions</a> but also Stream API, Functional interfaces, new Date and Time API and <a href="http://javarevisited.blogspot.com/2014/07/default-defender-or-extension-method-of-Java8-example-tutorial.html">default methods</a>, which has completely changed the way you write your Java code.