30); Without lambda expressions, what you see in Listing 7 is about the least amount of code that you could write in Java to call the integrate method, but it is still much more cumbersome than ...

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.

java.util.function.UnaryOperator @FunctionalInterface public interface ... When the class is executed, the result is the text string lambda-tutorial.txt written to the console. If you implement the ...

Bottom line: it enables programmers to write better code. But adding Lambda expressions to Java 8 had a side effect ... new interfaces retrofitted onto existing classes. The new Stream method, which ...