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Java 8 Map filter examples

March 13, 2024February 23, 2016 by mkyong

This article shows a few examples of filtering a Map by its keys or values using the Java 8 stream APIs. Table of contents: 1. Java Map filter (Classic) 2. Java Map filter (Java 8) 3. Java Map filter (Java 8 Predicate) 4. References 1. Java Map filter (Classic) Before Java 8, we looped the …

How to loop Map in Java

March 13, 2024June 25, 2010 by mkyong

This article show few ways of loop Map in Java. 1. Using entrySet() 2. Using forEach (Java 8 and later) 3. Using stream() (Java 8 and later) 4. Using iterator() 5. Using keySet() and get() 6. References 1. Using `entrySet()` Before Java 8, this is the most common method to loop a Map in Java. …