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This is a summary of the given text in "en" language: Title: 02_Java-Variables-Data Types Thumbnail: https://image.cpen.top/image/blog/logo/java-logo.png Cover: https://image.cpen.top/image/compress/java-logo3.png Categories: Java Tags: Java, Encoding Description: Java Table of Contents: True Abbreviated Link: 47697 Date: 2022-09-22 14:10:00 Updated: 2022-09-22 14:10:01 Video Link: https://www.bilibili.com/video/BV1fh411y7R8 The text discusses the topic of variables and data types in Java. It covers the concept of variables, their importance in programming, and the basic steps to declare and assign values to variables. It also provides examples and explanations on how to use variables to store and retrieve information, as well as important considerations when using variables. Additionally, it introduces the concept of data types, specifically integer and floating-point types, and provides details on their usage.