Tag Archives: Java

Reading text file line by line in Java

Reading text files from hard disk is quite common task in software development practice. Usually we are interested in processing it line by line. In this article I would like to present few popular ways how to do it easily … Continue reading

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Iterating through Java list backwards

The most natural method of iterating through a list in Java is to start from the first element of the list and then move forward until the last one is reached. While this is the most common, it is sometimes … Continue reading

Posted in Guava, Java | Tagged , | 1 Comment

Usage of serialVersionUID in Java serialization

Java run-time associates with each serializable class a special version number known as serialVersionUID. This number is later used during deserialization process to verify if the application which performed the serialization and the application which is doing the deserialization have … Continue reading

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Creating executable jar file with Maven

Building an executable jar file with maven-jar-plugin is fairly easy. However, it has one disadvantage that the Maven dependencies are not packaged together inside the resulting jar file but have to be stored separately on the file system and added … Continue reading

Posted in Java, Maven | Tagged , | 4 Comments

Primary key generation in JPA

Generation of primary key values is a very important functionality of relational database management systems. The main idea is to let RDBMS automatically calculate and assign primary key value to the row being inserted into the database table. This not … Continue reading

Posted in Database, Java, Java EE, JPA | Tagged , , , | 3 Comments

Charts with jqPlot, Spring REST, AJAX and JQuery

One of the most notable features of HTML5 is Canvas API which provides a rectangular region for custom drawing. There are several uses of it like: building games, image compositions, animations but this time we will see how to use … Continue reading

Posted in AJAX, Java, Spring | Tagged , , , , , , | 1 Comment

Adding external/custom jars into Maven project

One of the strongest points of Maven is that it automatically manages project dependencies. The developer just needs to specify which dependencies and in which version are needed and the Maven takes care of the rest including downloading and storing … Continue reading

Posted in Java, Maven | Tagged , | 9 Comments