java -jar 2>&1
时间: 2023-10-14 21:04:31 浏览: 44
java -jar 2>&1的意思是将java程序以jar包的形式运行,并将标准错误输出重定向到标准输出。这样做的目的是将错误信息和正常输出信息合并在一起,方便查看和处理。具体来说,2代表标准错误输出,&1表示将其重定向到标准输出。所以,该命令的作用是将java程序的错误信息和正常输出信息同时输出到屏幕或指定文件中。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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