tl;dr - How will the everyday developer cope with Java 8’s Language changes? Java 8 will ship with a powerful new abstraction - Lambda Expressions (aka Closures) and a completely retooled set of Collections libraries. In addition interfaces have changed through the addition of default and static methods.
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Lambdas: Myths and Mistakes - Presented by Richard Warburton
Richard Warburton is an empirical technologist, solver of deep-dive technical problems and author of 'Java 8 Lambdas: Pragmatic Functional Programming'. He has worked as a developer in varied areas including Statistical Analytics, Static Analysis, Compilers and Networking.