Learn about java abstract classes vs interfaces in details. Also learn about when to use interface and when to use abstract class in solving design issues.
In simple words, abstraction captures only those details about an object that are relevant to the current perspective. Learn more about abstraction in java.
In this post, I will write a piece of code which will create a deadlock situation and then i will discuss that way to resolve this scenario. In my previous post, i written about Auto reload of configuration when any change happen, i discussed about refreshing your application configuration using a thread. As configurations are shared […]
Today, most applications are required to manage their own log files included removing them when they reach at a particular size limit. In this article, i will try to propose a solution for this kind of log file management. I will also suggest the way to capture the output of linux process and log it […]
In my previous posts, i have discussed about HashMap’s internal working and how to correctly override equals() and hashCode() methods. In this post, i am writing about a solution of very common problem. Every application has some configuration which is expected to be refreshed on every change in configuration file. Past approaches to solve this […]
Most of you will agree that HashMap is most favorite topic for discussion in interviews now-a-days. I have gone through several discussions with my colleagues time to time and it really helped. Now, I am continuing this discussion with you all. I am assuming that if you are interested in internal working of HashMap, you […]
In this post, I will point out my understanding about hashCode() and equals() methods. I will talk about their default implementation and how to correctly override them. I will also write about implement these methods using Apache Commons package’s utility classes. hashCode() and equals() methods have been defined in Object class which is parent class […]