In Unix-like systems, the ASCII hyphen-minus is commonly used to specify options. The character is usually followed by one or more letters. Two hyphen-minus characters (--) often indicate that the remaining arguments should not be treated as options,
Java 程序命令行参数说明 启动Java程序的方式有两种: # starts a Java virtual machine, loads the specified class, and invokes that class's main method java [options] class [arguments] # starts a Java virtual machine with a JAR file, which should contain a "Main-Class"
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