Tools OOD

Design An In-memory File System

An in-memory sile system using Java.

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Comparable and Comparator in Java

How/When to use comparable and comparator in Java.

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03 Spring Boot

The post talk how to set configuration file using yaml syntax, and how to build binding between configuration file and class (component).

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Web Technology

Describe web technology, like HTTP protocol, RESTFul APIs, JSON and XML format file.

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02 Spring Boot

The first web application for Hello Spring Boot with coding explanation