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Java 8 Streams map() examplesBy mkyong | April 3, 2017 | Viewed : 27,970 times +4,308 pv/wIn Java 8, stream().map() lets you convert an object to something else. Review the following examples :1. A List of Strings to Uppercase1.1 Simple Java example to convert a list of Strings to upper case.TestJava8.javapackage com.mkyong.java8; import java.util.ArrayList; import java.util.Arrays; import java...
Java 8 Lambda : Comparator exampleBy mkyong | August 5, 2015 | Viewed : 192,026 times +4,350 pv/wIn this example, we will show you how to use Java 8 Lambda expression to write a Comparator to sort a List.1. Classic Comparator example.Comparator byName = new Comparator() { @Override public int compare(Developer o1, Developer o2) { return o1.getName().compareTo(o2.getName()); } };2. Lambda express..
Java 8 Streams filter examplesBy mkyong | February 11, 2016 | Updated : April 3, 2017 | Viewed : 261,258 times +7,116 pv/wIn this tutorial, we will show you few Java 8 examples to demonstrate the use of Streams filter(), collect(), findAny() and orElse()1. Streams filter() and collect()1.1 Before Java 8, filter a List like this :BeforeJava8.javapackage com.mkyong.java8; import java.util.ArrayLis..