One of my worries with Hibernate was the number of entities accumulating in a Persistence Context. If I were not careful, my codes could potentially store thousands of entities in
File Compression in Java with Apache Commons Compress
Apache Commons Compress can be downloaded from http://commons.apache.org/compress/
How To Use Java 8 Stream Reduce Example
This post shows how to use Java Stream Reduce with example codes. The idea of the reduce operation is the generation of a single result from a collection of values
iReport 2.0.0 Page Numbers and Page Count
This post shows how to create a jasper report using iReport that displays page numbers and page count, e.g., 1/10. Moreover, the iReport will show the page numbers and page
Run Java Applications from Apache Ant and a build file
Back in the day, Apache Ant was king. Nowadays, it is Apache Maven. This post shows how to run a Java application from Ant because using the java compiler alone
Java – Rename a file Using a File Object Example
To rename a file , use the renameTo method in java.io.File.
Java – Convert JavaBean Using XMLEncoder and XMLDecoder
This post shows how to use the Java classes XMLEncoder and XMLDecoder to convert JavaBean objects to XML and back. Note that they support the specifications for JavaBeans to make
Java 8 – Convert Iterator to Stream Using StreamSupport
Although not a common scenario, some libraries return Iterators instead of Stream or Collection objects. Why? Because they can. If the Java libraries you are using have methods that return
Avoid NullPointerException with Stream.ofNullable in Java 9
This post demonstrates how to avoid NullPointerException in Java 9 when working with Stream and using the overloaded of metho
Java – Create class constructor with fields faster in Eclipse
This post shows how to create a Java class constructor with fields faster in Eclipse. Before the advent of smart IDEs, Java developers write out almost all codes as it