Oracle Java Tutorial（Oracle Java官方教程, 基于JDK发1.8，CHM格式，全英文） 甲骨文Java官方教程，涉及Java的各个方面，数据结构，并发，IO，网络，环境，反射，泛型，图形界面，JDBC，JAXB等，层次清晰，案例鲜明。可以在Oracle官网浏览，本资源提供CHM格式便于查阅。

Java’s String class encapsulates an array of bytes. A byte can be converted to a char, in which case, String becomes an array of characters used to compose words, sentences, or any other data you want ...

String Pool: Java maintains a string pool for efficient memory usage. If two strings have the same value, they reference the same object in the string pool. Edge Case: If a string is created using the ...

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