Java Setup

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Editorial

Download VS Code here: link

Build command for Windows:

{
      "version": "2.0.0",
      "tasks": [
        {
          "label": "Compile and run Java",
          "type": "shell",
          "command": "",
          "args": [
            "copy",
            "\"${file}\"",
            "${workspaceFolder}\\TempJavaProgram.java",
            "&&",
            "javac",
            "TempJavaProgram.java",
            "&&",
            "java",
            "TempJavaProgram",
            "<",
            "input.txt",
            ">",
            "output.txt",
            "&&",
            "del",
            "TempJavaProgram.class",
            "&&",
            "del",
            "TempJavaProgram.java"
          ],
          "presentation": {
            "reveal": "never"
          },
          "group": {
            "kind": "build",
            "isDefault": true
          },
          "problemMatcher": {
            "owner": "java",
            "fileLocation": [
              "relative",
              "${workspaceRoot}"
            ],
            "pattern": {
              "regexp": "^(.*\\.java):(\\d+):\\s+(error):\\s+(.*)$",
              "file": 1,
              "line": 2,
              "severity": 3,
              "message": 4
            }
          }
        }
      ]
    }
    

Note: It will not work if your default terminal is Powershell. Make it "cmd" then it will work.
To change default terminal : Hit clt+shift+p->write:default terminal->change it to cmd.

Build command for Mac users:

{
      "version": "2.0.0",
      "tasks": [
        {
          "label": "Compile and run Java",
          "type": "shell",
          "command": "",
          "args": [
            "cp",
            "\"${file}\"",
            "${workspaceFolder}/TempJavaProgram.java",
            "&&",
            "javac",
            "TempJavaProgram.java",
            "&&",
            "java",
            "TempJavaProgram",
            "<",
            "input.txt",
            ">",
            "output.txt",
            "&&",
            "rm",
            "TempJavaProgram.class",
            "&&",
            "rm",
            "TempJavaProgram.java"
          ],
          "presentation": {
            "reveal": "never"
          },
          "group": {
            "kind": "build",
            "isDefault": true
          },
          "problemMatcher": {
            "owner": "java",
            "fileLocation": [
              "relative",
              "${workspaceRoot}"
            ],
            "pattern": {
              "regexp": "^(.*\\.java):(\\d+):\\s+(error):\\s+(.*)$",
              "file": 1,
              "line": 2,
              "severity": 3,
              "message": 4
            }
          }
        }
      ]
    }
    

For other OS, please use AI to generate equivalent build commands.

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