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programming-language/java/core/_README.md

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+# Java 核心编程
+
+[](core-java-8.md ':include')
+
+[](core-java-11.md ':include')
+
+[](core-java-annotations.md ':include')
+
+[](core-java-numbers.md ':include')
+
+[](core-java-strings.md ':include')
+
+[](core-java-uuid.md ':include')

programming-language/java/core/core-java-11.md

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+## Java 11 核心
+
+本模块中包含有关 Java 11 核心新增功能特性的一些文章。
+
+- [Java 11 Single File Source Code](https://www.baeldung.com/java-single-file-source-codehttps://www.baeldung.com/java-single-file-source-code)
+- [Java 11 Local Variable Syntax for Lambda Parameters](https://www.baeldung.com/java-var-lambda-params)
+- [Java 11 String API Additions](https://www.baeldung.com/java-11-string-api)
+- [Java 11 Nest Based Access Control](https://www.baeldung.com/java-nest-based-access-control)
+- [Exploring the New HTTP Client in Java](https://www.baeldung.com/java-9-http-client)
+- [An Introduction to Epsilon GC: A No-Op Experimental Garbage Collector](https://www.baeldung.com/jvm-epsilon-gc-garbage-collector)
+- [Guide to jlink](https://www.baeldung.com/jlink)
+- [Negate a Predicate Method Reference with Java 11](https://www.baeldung.com/java-negate-predicate-method-reference)
+- [Benchmark JDK Collections vs Eclipse Collections](https://www.baeldung.com/jdk-collections-vs-eclipse-collections)
+- [Pre-compile Regex Patterns Into Pattern Objects](https://www.baeldung.com/java-regex-pre-compile)
+- [Guide to Java Reflection](http://www.baeldung.com/java-reflection)
+- [Guide to Java 8’s Collectors](https://www.baeldung.com/java-8-collectors)
+- [New Features in Java 11](https://www.baeldung.com/java-11-new-features)
+- [Getting the Java Version at Runtime](https://www.baeldung.com/get-java-version-runtime)
+- [Invoking a SOAP Web Service in Java](https://www.baeldung.com/java-soap-web-service)
+- [Java HTTPS Client Certificate Authentication](https://www.baeldung.com/java-https-client-certificate-authentication)
+- [Call Methods at Runtime Using Java Reflection](https://www.baeldung.com/java-method-reflection)

programming-language/java/core/core-java-8.md

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+## Java 8 核心
+
+本模块中包含有关 Java 8 核心新增功能特性的一些文章。
+
+- [New Features in Java 8](https://www.baeldung.com/java-8-new-features)
+- [Guide to Java 8 groupingBy Collector](https://www.baeldung.com/java-groupingby-collector)
+- [Java 8 中的设计模式策略](https://www.ossez.com/t/java-8/13978)
+- [Guide to Java 8 Comparator.comparing()](https://www.baeldung.com/java-8-comparator-comparing)
+- [Guide to the Java 8 forEach](https://www.baeldung.com/foreach-java)
+- [Introduction to Spliterator in Java](https://www.baeldung.com/java-spliterator)
+- [Finding Min/Max in an Array with Java](https://www.baeldung.com/java-array-min-max)
+- [Internationalization and Localization in Java 8](https://www.baeldung.com/java-8-localization)
+- [Generalized Target-Type Inference in Java](https://www.baeldung.com/java-generalized-target-type-inference)
+- [Run a Java Application from the Command Line](https://www.baeldung.com/java-run-jar-with-arguments)
+- [Java 8 Stream skip() vs limit()](https://www.baeldung.com/java-stream-skip-vs-limit)
+- [Guide to Java BiFunction Interface](https://www.baeldung.com/java-bifunction-interface)
+- [Interface With Default Methods vs Abstract Class](https://www.baeldung.com/java-interface-default-method-vs-abstract-class)
+- [Convert Between Byte Array and UUID in Java](https://www.baeldung.com/java-byte-array-to-uuid)
+- [Create a Simple “Rock-Paper-Scissors” Game in Java](https://www.baeldung.com/java-rock-paper-scissors)
+- [Java 8 开始新增的 Optional 类](https://www.ossez.com/t/java-8-optional/13964)

programming-language/java/core/core-java-annotations.md

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+## Annotation（注解）
+Java 注解（Annotation）又称 Java 标注，是 JDK5.0 引入的一种注释机制。
+
+Java 语言中的类、方法、变量、参数和包等都可以被标注。和 Javadoc 不同，Java 标注可以通过反射获取标注内容。在编译器生成类文件时，标注可以被嵌入到字节码中。Java 虚拟机可以保留标注内容，在运行时可以获取到标注内容 。 当然它也支持自定义 Java 标注。
+
+- [Java @Override Annotation](https://www.baeldung.com/java-override)
+- [Java @SuppressWarnings Annotation](https://www.baeldung.com/java-suppresswarnings)
+- [Java @SafeVarargs Annotation](https://www.baeldung.com/java-safevarargs)
+- [Java @Deprecated Annotation（注解）](https://www.ossez.com/t/java-deprecated-annotation/13676)
+- [Overview of Java Built-in Annotations](https://www.baeldung.com/java-default-annotations)
+- [Creating a Custom Annotation in Java](https://www.baeldung.com/java-custom-annotation)

programming-language/java/core/core-java-numbers.md

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+## Java 数字（Number）
+
+本模块中包含有关 Java 数字（Number）有关的文章。
+
+- [理解 Java 中的 NumberFormatException 异常](https://www.ossez.com/t/java-numberformatexception/13986)
+- 

programming-language/java/core/core-java-strings.md

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+## Java 字符串（Strings）
+
+本模块中包含有关 Java 字符串（String）有关的文章。
+
+- [Java 使用 char[] Array 还是 String 存储字符串密码](https://www.ossez.com/t/java-char-array-string/14015)
+- [Java 9 中的字符串（String）压缩](https://www.ossez.com/t/java-9-string/14024)
+- [String Not Empty Test Assertions in Java](https://www.baeldung.com/java-assert-string-not-empty)
+- [String Performance Hints](https://www.baeldung.com/java-string-performance)
+- [Java Localization – Formatting Messages](https://www.baeldung.com/java-localization-messages-formatting)
+- [Java – Generate Random String](https://www.baeldung.com/java-random-string)
+- [Java String Interview Questions and Answers](https://www.baeldung.com/java-string-interview-questions)
+- [Java 多行字符串](https://www.ossez.com/t/java/14049)
+- [Java 中的 String Pool 简介](https://www.ossez.com/t/java-string-pool/14017)
+- [Java “constant string too long” 编译错误](https://www.ossez.com/t/java-constant-string-too-long/14048)
+- [Java 对象如何安全的 toString](https://www.ossez.com/t/java-tostring/14000)
+- [编程常用的几种字符编码](https://www.ossez.com/t/topic/14022)

programming-language/java/core/core-java-uuid.md

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+## Java UUID
+
+- [UUID 的 5 个版本](https://www.isharkfly.com/t/uuid-5/15098)
+- [在 Java 中生成只有数组和字母的 UUID](https://www.isharkfly.com/t/java-uuid/15097)
+- [Guide to UUID in Java](http://www.baeldung.com/java-uuid)
+- [Validate UUID String in Java](https://www.baeldung.com/java-validate-uuid-string)
+- [Generate the Same UUID From a String in Java](https://www.baeldung.com/java-generate-same-uuid-from-string)
+- [Generating Time Based UUIDs](https://www.baeldung.com/java-generating-time-based-uuids)