java指令执行指定class文件目录
- 1.首先配置好java环境
- 2.找一个目录,写如下代码
- 3.编译java文件
- 4.运行
1.首先配置好java环境
2.找一个目录,写如下代码
public class Hello{
public static void main(String[] args){
System.out.println("Hello World!");
}
}
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiI0gTMx81dsQWZ4lmZf1GLlpXazVmcvwFciV2dsQXYtJ3bm9CX9s2RkBnVHFmb1clWvB3MaVnRtp1XlBXe0xCMy81dvRWYoNHLwEzX5xCMx8FesU2cfdGLwMzX0xiRGZkRGZ0Xy9GbvNGLpZTY1EmMZVDUSFTU4VFRR9Fd4VGdsYTMfVmepNHLrJXYtJXZ0F2dvwVZnFWbp1zczV2YvJHctM3cv1Ce-cmbw5iM4ETNzYTOlN2YlRTO3IjYyYzXwEzNwATMyIzLcZDMyIDMy8CXn9Gbi9CXzV2Zh1WavwVbvNmLvR3YxUjLyM3Lc9CX6MHc0RHaiojIsJye.png)
3.编译java文件
javac D:\Code\java\Hello.java
4.运行
java -classpath D:\Code\java Hello