Java and J2EE Tutorials Archives...

One of my favorite language Java is a programming language and computing platform developed by Sun which is acquired by Oracle now. J2EE is Java Enterprise Edition, which consists of core Java with a powerful set of libraries.

On Crunchify, we do have more than 400+ Java and J2EE tips with additional production ready utilities. Explore all tutorials below.

What is Thread-Safe BlockingQueue in Java? When should you use it? Implementation Attached

September 21st, 2019 by App Shah 2

So far I've written two articles on Producer Consumer concept on Crunchify. 1st one to explain Java Semaphore and Mutex and 2nd one to explain Concurrent Read/Write. In this Java Tutorial ...
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4 Ways to Check if Array Contains a Specific Value in Java8? IntStream and Arrays.asList Tutorial

September 10th, 2019 by App Shah

This is the simplest and complete solution for your if you want to check if ArrayList contains specific value such as String, Integer, Long or Double. With the combination of Java7 and ...
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In Java How to Set and Get Thread Priority? Get Thread ID, Count, Class, StackTrace, ThreadGroup and More

September 5th, 2019 by App Shah

In Java multithreading programming, sometimes you may need to set Thread priority in order for it to execute before another thread. You can set and get Thread priority programmatically ...
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How to Implement Simple Circular ArrayList in Java?

September 4th, 2019 by App Shah

In this tutorial we will go over details on how to implement Circular ArrayList. There are numerous examples we have on Crunchify about ArrayList and this one will be with Integer ...
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Memcached Java Client Tutorial using whalin.Memcached-Java-Client and googlecode.xmemcached Libraries

September 1st, 2019 by App Shah

This is continued tutorial on Memcached which is distributed memory object caching server. Here are previous two tutorials before you go over this one :) . How to Install and Configure ...
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Better Logging for your Enterprise Java Application – CrunchifyBetterLog4jLogging.java

August 28th, 2019 by App Shah

If you are developing Java Application where you need to use the logger functionality, there are number of ways you could enhance the Logger Utility. To make sure that logging can be left ...
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In Java How to find a Line with Maximum Number of Words? Using Stream.forEach() Iterator

August 16th, 2019 by App Shah

For any given file, Write a Java program to find a line with maximum number of words in it is a very common interview question. In other words, write a Java program to find longest line from ...
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How to stop/kill long running Java Thread at runtime? timed-out -> cancelled -> interrupted states

July 25th, 2019 by App Shah 2

Have you ever wondered how to kill long running Java thread? Do you have any of below questions? Kill/Stop a thread after certain period of time Killing thread after some specified ...
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In Java How to Print all Environment Properties value using ProcessBuilder?

August 1st, 2019 by App Shah 2

When you run Java Program locally in Terminal Window or in Eclipse IDE, there are lots of Environment Variable which plays key role during program execution. Here are list of Environment ...
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