Using the try-with-resource block to improve exception handling code : Resource Management « JDK 7 « Java






Using the try-with-resource block to improve exception handling code


import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Paths;

public class Test {

  public static void main(String[] args) {
    try (BufferedReader inputReader = Files.newBufferedReader(
        Paths.get(new URI("file:///C:/users.txt")),
        Charset.defaultCharset());
        BufferedWriter outputWriter = Files.newBufferedWriter(
            Paths.get(new URI("file:///C:/users.bak")),
            Charset.defaultCharset())) {
      
      String inputLine;
      while ((inputLine = inputReader.readLine()) != null) {
        outputWriter.write(inputLine);
        outputWriter.newLine();
      }
      System.out.println("Copy complete!");
    } catch (URISyntaxException | IOException ex) {
      ex.printStackTrace();
    }

  }
}

 








Related examples in the same category

1.Creating a resource that can be used with the try-with-resources technique