java code electrum

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class shellScript {
  public static void main(String args[]) throws IOException, InterruptedException {
    connectWallet();
    getAddresses();
  }

  static void connectWallet() {
    ProcessBuilder processBuilder = new ProcessBuilder();
    processBuilder.command("C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe",
        "/c",
        "electrum-4.0.2.exe load_wallet -w C:\\Users\\sri.harsha\\AppData\\Roaming\\Electrum\\wallets\\default_wallet");
    try {
      Process process = processBuilder.start();
      StringBuilder output = new StringBuilder();
      BufferedReader reader = new BufferedReader(
          new InputStreamReader(process.getInputStream()));
      String line;
      while ((line = reader.readLine()) != null) {
        output.append(line + "\n");
      }

      int exitVal = process.waitFor();
      if (exitVal == 0) {
        System.out.println("Success!");
        System.out.println(output);
      } else {
      }
    } catch (IOException e) {
      e.printStackTrace();
    } catch (InterruptedException e) {
      e.printStackTrace();
    }
  }

  static void getAddresses() {
    ProcessBuilder processBuilder = new ProcessBuilder();
    processBuilder.command("C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe",
        "/c",
        "electrum-4.0.2.exe --testnet");
    try {
      Process process = processBuilder.start();
      StringBuilder output = new StringBuilder();
      BufferedReader reader = new BufferedReader(
          new InputStreamReader(process.getInputStream()));
      String line;
      while ((line = reader.readLine()) != null) {
        output.append(line + "\n");
      }

      int exitVal = process.waitFor();
      if (exitVal == 0) {
        System.out.println("Success!");
        System.out.println(output);
        System.exit(0);
      } else {
      }
    } catch (IOException e) {
      e.printStackTrace();
    } catch (InterruptedException e) {
      e.printStackTrace();
    }
  }
}