vscode 配置java环境并调试运行的详细过程

public class HelloJava{
    public static void main(String[] args) {
        System.out.println("hello world");
    }
}

{
    // Use IntelliSense to learn about possible attributes.
    // Hover to view descriptions of existing attributes.
    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [
        {
            "type": "java",
            "name": "Graphhopper Web",
            "request": "launch",
            "vmArgs": "-Xmx2g -Xms2g -Ddw.graphhopper.datareader.file=europe_germany_berlin.pbf",
            "args": ["server","config-example.yml"],
            "mainClass": "com.graphhopper.http.GraphHopperApplication",
            "projectName": "graphhopper-web"
        }
    ]
}