Terminate a Java application

       
import java.io.File;

public class Main {
  public static void main(String[] args) {
    File file = new File("config.xml");

    int errCode = 0;
    if (!file.exists()) {
      errCode = 1;
    } else {
      errCode = 0;
    }

    // When the error code is not zero go terminate
    if (errCode > 0) {
      System.exit(errCode);
    }
  }
}

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Terminate a Java application : System « Development Class « Java

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