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A Stepwise Guide to Resolve the Major Problems with Java


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26 Dec 2016     Inez Johns

Java without any doubt is one of most used and preferred programming language in the world today. The language is regularly being updated ever since it was developed by Sun Microsystems in 1995. Keeping in mind the advantages it brings to the table this programming language has become a very useful tool for scripting and a base for most of the networked applications worldwide. Imagining what benefits a java programming course online can convey is getting impossible keeping in thought its increasing usefulness. Today java programming corporate training has become the hottest trend seeing what career prospects Java has.

“Write once and run anywhere” is the core proposition marketed by Sun Microsystems and is one of the many advantages that has added a lot to the popularity of this programming language. Security is another aspect that makes Java completely unbeatable. Time and again the security of the programming language has been subjected to security issues and potentially dangerous bugs, but every time all the bugs were fixed immediately with no major losses caused.

There are many other factors that make Java stand above all and a good java programming course online or offline is all youngsters need for a kickstart career in the domain. But with its oncoming advantages and usefulness there are various problems a programmer faces when he initially starts programming. Going in detail here are some of the biggest problems with Java and how a programmer can deal with them.

Persistence Configuration in the database
As the load on the application increases, subsequently there is an increasing load on the database in a proportional manner. Keeping aside fine tuned data base access procedures for example Hibernate and JPA implementations, there are many time consuming sluggish options that likely increase the response time. The solution to this recurring problem is managing all the configuration options correctly fixed with the business domain efficiently. A java programming course online can be a good source to learn about tackling problems with the configuration in the database.

Caching
There are two manners in which caching causes problems, one is when the caching is distributed and the other being the bad configuration of the cache. In situations when you face trouble with the caching you should take note of the fixed size of the cache beside the configuration of the distributed cache. In order to make sure the memory of the cache doesn’t get exhausted; the cache must be accurately distributed and configured. One way of extenuating this problem is by evaluating the performance of the database and the memory of your cache and then deciding if you really need cache memory or not. Once you are done examining the same, use hit and miss ratio metrics to determine the size of the cache. Moreover in order to avoid or eliminate such caching problems the programmer should always use serializations and procedures. Learning through java programming corporate training can be quite beneficial as you can get to know about the root and causes of such problems.

Memory leaks in Java
The major cases when memory leaks in java occur are when there is an increase in memory usage however the heap of object runs out of memory. This happens because a reference to the object which was at present used is stored despite the fact that it won’t be used again. Proper attention must be paid while coding to responsive java collections and session management in order to avoid such problems. Also note there are many tools available that are useful in preventing memory leaks. Moreover you can go for a java programming corporate training where you can learn how these memory leaks occur and what can be more fine tuned solutions to them.

Thread deadlocks
There is a clash in receiving and releasing hierarchy of the resource in the state when two or more threads try to access the same resources which eventually lead to thread deadlocks. This situation later results in the exhaustion of all threads and then ultimately making the application run slower. Capture thread dumps in a deadlock situation and concurrently inspect the stack traces of the threads in order to resolve this problem. You can learn more about resolving such problems through a java programming course online – most definitely the fastest way to learn Java on the go.

Thread pool configuration locks
When an application uses a web server or container and a thread pool is being utilized to control the simultaneously processed requests, the end results is thread pool configuration locks. The main problem persists with the size of the thread pool that means if the thread pool is made too large, the processing resources get too busy and in case the thread pool is made smaller, the waiting time increases. This is definitely one of the biggest problems associated with Java as the thread pool needs to be fined which is not as simple as it looks. Never forget to check thread pool utilization and CPU usage to know what you need to do with the pool size.

These were some of the major problems with Java but they can be easily resolved if you have a java programming corporate training. Remember, the key to resolving all the intricate and complex problems with Java is using proper coding practices and fine tuning of the respective resources.


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