Java 开发技巧分享
时间：12-14来源：作者：点击数：
awt 文本反锯齿
-Dawt.useSystemAAFontSettings=on
docs.oracle /javase/tutorial/2d/text/renderinghints.html
swing 文本反锯齿
-Dswing.aatext=true
防止要求图形环境
-Djava.awt.headless=true
System.getProperty() 中的参数
| Key | Value |
|---|---|
| java.version | Java Runtime Environment version |
| java.vendor | Java Runtime Environment vendor |
| java.vendor.url | Java vendor URL |
| java.home | Java installation directory |
| java.vm.specification.version | Java Virtual Machine specification version |
| java.vm.specification.vendor | Java Virtual Machine specification vendor |
| java.vm.specification.name | Java Virtual Machine specification name |
| java.vm.version | Java Virtual Machine implementation version |
| java.vm.vendor | Java Virtual Machine implementation vendor |
| java.vm.name | Java Virtual Machine implementation name |
| java.specification.version | Java Runtime Environment specification version |
| java.specification.vendor | Java Runtime Environment specification vendor |
| java.specification.name | Java Runtime Environment specification name |
| java.class.version | Java class format version number |
| java.class.path | Java class path |
| java.library.path | List of paths to search when loading libraries |
| java.io.tmpdir | Default temp file path |
| java.compiler | Name of JIT compiler to use |
| java.ext.dirs | Path of extension directory or directories |
| os.name | Operating system name |
| os.arch | Operating system architecture |
| os.version | Operating system version |
| file.separator | File separator ("/" on UNIX) |
| path.separator | Path separator (":" on UNIX) |
| line.separator | Line separator ("\n" on UNIX) |
| user.name | User's account name |
| user.home | User's home directory |
| user.dir | User's current working directory |
Java 启动参数
JDK7- Hotspot VM参数( oracle /technetwork/articles/java/vmoptions-jsp-140102.html)
JDK8+ windows 版启动参数( docs.oracle /javase/8/docs/technotes/tools/windows/java.html)
JDK8+ *nix 版启动参数( docs.oracle /javase/8/docs/technotes/tools/unix/java.html)
查看 VM 预设参数
-XX:+PrintFlagsFinal
Java 网络设置
JVM 网络参数( docs.oracle /javase/7/docs/technotes/guides/net/properties.html)
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