In Java, there is no global keyword, but we can use public static variable to referring a global variable.

Date: 2019-08-11 View: 1209

Maven PMD example

In this article, we will show you how to use Maven PMD Plugin to analyze the Java code.

Date: 2019-08-11 View: 1242

In Maven, you can use Apache Maven Dependency Plugin, goal dependency:purge-local-repository to remove the project dependencies from the local repository, and re-download it again.

Date: 2019-08-11 View: 1367

In Java, we can use JMH (Java Microbenchmark Harness) framework to measure the performance of a function.

Date: 2019-08-11 View: 1284

A JMH benchmark test about Forward loop vs Reverse loop for a List. There is a myth about reverse loop is faster, is this true?

Date: 2019-08-11 View: 1053

In Git, we can use git show commit_id --name-only to list all the committed files that are going to push to the remote repository.

Date: 2019-08-11 View: 1378

In Git, we can use git reset HEAD -- 'files/folders/patterns' to remove files or folders from the staging area (Changes to be committed).

Date: 2019-08-11 View: 1860

In Git, we can use git reset --soft HEAD~1 to undo the last commit in local. (The committed files haven’t pushed to the remote git server)

Date: 2019-08-11 View: 1693

In Java 8, we can use Stream.iterate to create stream values on demand, so called infinite stream.

Date: 2019-08-11 View: 1318

Java Fibonacci examples

Fibonacci number – Every number after the first two is the sum of the two preceding.

Date: 2019-08-11 View: 1662

The fork/join framework is available since Java 7, to make it easier to write parallel programs. We can implement the fork/join framework by extending either RecursiveTask or RecursiveAction

Date: 2019-08-11 View: 1266

In Java, we can use ScheduledExecutorService to run a task periodically or once time after a predefined delay by TimeUnit.

Date: 2019-08-11 View: 1251

Intellij IDEA How to show method signature?

In IDEA, clicks on the method name, press CTRL + Q to show the method signature on a pop up.

Date: 2019-08-11 View: 1403

In Java, we can use ExecutorService to create a thread pool, and tracks the progress of the asynchronous tasks with Future.

Date: 2019-08-11 View: 1344

An example to show you how to create a thread safe sequence generator.

Date: 2019-08-11 View: 1459