There a number of pure Java SQL database systems develolpers can embed into applications. In this tip we introduce two open source projects, HSQLDB and Apache Derby.

You’ll also get started with JPA Query Language (JPQL) and use it to execute a few simple database operations on the example application. The complete source code for the example application can be ...

All of Java's I/O facilities are based on streams that represent flowing sequences of characters or bytes. Java's I/O streams provide standardized ways to read and write data. Any object representing ...