Update Java to 17

README.md

@@ -24,7 +24,7 @@ EN | [中文](README_zh-CN.md)
 
 ### Requirements
 
-* Java SE - 16 ([mirror link](https://github.com/adoptium/temurin16-binaries/releases/tag/jdk-16.0.2+7) since Oracle required an account to download old builds)
+* Java SE - 17 ([mirror link](https://github.com/adoptium/temurin17-binaries/releases/tag/jdk-17.0.3+7) since Oracle required an account to download old builds)
 
   **Note:** If you just want to **run it**, then **jre** is fine 
 
@@ -142,7 +142,7 @@ character falling from a very high destination, exact location that you marked.
 
 # Quick Troubleshooting
 
-* If compiling wasn't successful, please check your JDK installation (JDK 16 and validated JDK's bin PATH variable)
+* If compiling wasn't successful, please check your JDK installation (JDK 17 and validated JDK's bin PATH variable)
 * My client doesn't connect, doesn't login, 4206, etc... - Mostly your proxy daemon setup is *the issue*, if using
   Fiddler make sure it running on another port except 8888
 * Startup sequence: Mongodb > Grasscutter > Proxy daemon (mitmdump, fiddler, etc.) > Client

README_zh-CN.md

@@ -24,7 +24,7 @@
 
 ### 环境需求
 
-* Java SE - 16 (当您没有Oracle账户，可以使用[镜像](https://github.com/adoptium/temurin16-binaries/releases/tag/jdk-16.0.2+7))
+* Java SE - 17 (当您没有Oracle账户，可以使用[镜像](https://mirrors.tuna.tsinghua.edu.cn/Adoptium/17/jdk/))
 
   **注:** 如果您仅仅想要简单地**运行服务端**, 那么使用 **jre** 便足够了 
 
@@ -142,6 +142,6 @@ chmod +x gradlew
 
 # 快速排除问题
 
-* 如果编译未能成功,请检查您的jdk安装 (JDK 16并确认jdk处于环境变量`PATH`中
+* 如果编译未能成功,请检查您的jdk安装 (JDK 17并确认jdk处于环境变量`PATH`中
 * 我的客户端无法登录/连接, 4206, 其它... - 大部分情况下这是因为您的代理存在问题.如果使用Fiddler请确认Fiddler监听端口不是`8888`
 * 启动顺序: MongoDB > Grasscutter > 代理程序 (mitmdump, fiddler等.) > 客户端

build.gradle

@@ -14,8 +14,8 @@ plugins {
     id 'application'
 }
 
-sourceCompatibility = 16
-targetCompatibility = 16
+sourceCompatibility = 17
+targetCompatibility = 17
 
 repositories {
     mavenCentral()