Measuring Java Code Execution Time with Spring's StopWatch
Measuring code execution time is a vital step in trying to write efficient applications. Temporal awareness of your code on a machine that might be serving a great deal of users lets you plan further, accounting for the execution time. In multi-threaded systems, it's also useful to measure the execution...
Java 8: How to Convert a Map to List
A Java Map implementation is an collection that maps keys to values. Every Map Entry contains key/value pairs, and every key is associated with exactly one value. The keys are unique, so no duplicates are possible. A common implementation of the Map interface is a HashMap: Map<Integer,...