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Monthly Archives: Thursday July 13th, 2017

Combine two lists in Groovy

Combination or concatenation of two or multiple lists are believed to appear quite frequently in programming. This article aims to show you how to union two lists in Groovy in different ways. Combine lists with addAll The [crayon-5a1172c39ee68360936650-i/]  method appends all ...

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Java Books and References

This text will introduce useful learning resources for someones who want to learn Java programming language. Because resources are continuously updated, this writing is too keep up. Official Java Documentation Oracle, the company owning Java, provides qualified Java Tutorials. The ...

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HashMap class in Java

The Map Hierarchy

This text aims to introduce HashMap and how to use it in Java programs. In the series of Map involved articles, HaspMap is implemented from Map interface and inherited from AbstractMap class (as shown in Fig. 1). HashMap works on ...

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Simple steps to log messages in Java programs using Log4j

This article explains a bit of the importance of application logging and log4j API in Java. The following paragraphs will give you an overview of how logging mechanism works in Java application and how use one of the common logging ...

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How to check and uncheck a checkbox in jQuery

Làm với jQuery, nhiều bạn lập trình Front End chắc sẽ nắm rõ cách thức để viết hàm để bắt sự kiện check và uncheck một ô checkbox như thế nào. Tôi cược là các bạn có thể viết code ...

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