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Java SE 8 (JDK 8) introduced a fundamentally new way of programming in Java with the introduction of Lambda expressions.

Lambda provides a simple way to pass functionality as an argument to another method, such as what action should be taken when someone clicks a button, or how to sort a set of names. Lambda expressions enable you to do this, to treat functionality as a method argument, or code as data.

You may have heard about Lambda expressions, and are curious what impact it will have on you as a Java developer.

This course is designed to answer your questions and more.

Have you ever wondered what Lambda expressions are in Java?
Have you ever wanted to write parallel code in Java without worrying about threads and locking?
Have you ever wanted to process collections of data without using loops?
Have you ever wanted to do functional programming in Java?

All of these questions will be answered in this practical hands-on MOOC. This course introduces two major new changes to the Java platform: Lambda expressions and the Stream API.

Free!

3 weeks

Unlike a traditional instructor-led event, the course is delivered on-line.

Take this course when you want, where you want, and at your own pace.

Interact with your peers and the instructor panel through the forum.

Each week we will post a new set of course materials:

• A series of short, pre-recorded videos provide the "lecture" portion of the course.
• A homework project is linked to the video material, and applies what you have learned by working with Lambdas and Streams.
• A graded quiz evaluates how well you have grasped the materials and the homework.

3 - 4 hours weekly

Based on successfully completing the course quizzes, you will receive a course completion award, suitable for printing and framing!

English

• Apply Lambdas to everyday problems
• Convert anonymous classes to Lambda expressions
• Apply the Streams API to solve problems of sorting, identifying the most and least, and reducing duplicates
• Determine when to apply Lambdas (and when not to!)
• Use Collectors
• Improve performance with parallel streams
• Debug Lambda expressions