Common problems in Java

When we are working with Java from a newbie, we’re always to think about some common tasks such as convert list to array, … In order to reduce the time of these problems, we can sum up all solutions to this article. It is convenient that we can see them... [Read More]
Tags: Java

Basic entity class in JPA

When we work with Java web development, we have to implement with database. Normally, we will use JDBC or JDBC template for doing this problem. But to make it easier, we will use the new technology called ORM - Object Relational Mapping. The standard version of ORM is JPA. JPA... [Read More]
Tags: JPA

Why extends is evil

In this article, we will talk about the extends in inheritance property of OOP. It will make us to write better code, make our architecture design clearly and loose coupling among modules. [Read More]
Tags: OOP