新增 Java 核心的文章结构，包括 Java 11

java/core/_README.md

@@ -4,4 +4,6 @@
 
 [](core-java-8.md ':include')
 
+[](core-java-11.md ':include')
+
 [](core-java-strings.md ':include')

java/core/core-java-11.md

@@ -0,0 +1,21 @@
+## 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)

java/core/core-java-8.md

@@ -11,4 +11,10 @@
 - [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)
-- [[Java 8 核心（第 2 部分） -->]](/core-java-modules/core-java-8-2)
+- [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)