log4j.properties basic examples
log4j.properties basic examples. Output to the console and to the file.
Log4j Logging Levels
Log4j Logging Levels explained. For the standard levels, this is the order: ALL
How to create Abstract Factory Pattern in Java
How to create a abstract factory design pattern in Java using the example of creating a database table/stored procedure for multiple database engines.
How to create Factory Pattern in Java
How to create a factory design pattern in Java using the example of creating a database table for multiple database engines.
Autoboxing and Unboxing in Java
In Java, autoboxing is the automatic conversion between the primitive types and their corresponding object wrapper classes. Unboxing is the other way around.
How to generate tables from entities using EclipseLink
How to generate entities from tables using EclipseLink. Simple example using one-to-one database relationship. @MappedSuperclass example included
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