import org.apache.commons.io.FileUtils; import java.io.File; import java.io.IOException; public class FileReadExample { public static void main(String[] args) { File file = new File("path/to/file.txt"); try { String content = FileUtils.readFileToString(file, "UTF-8"); System.out.println(content); } catch (IOException e) { e.printStackTrace(); } } } import org.apache.commons.io.FileUtils; import java.io.File; import java.io.IOException; public class FileWriteExample { public static void main(String[] args) { File file = new File("path/to/file.txt"); try { FileUtils.writeStringToFile(file, "Hello, World!", "UTF-8"); } catch (IOException e) { e.printStackTrace(); } } } import org.apache.commons.io.FileUtils; import java.io.File; import java.io.IOException; public class FileCopyExample { public static void main(String[] args) { File sourceFile = new File("path/to/source.txt"); File destFile = new File("path/to/destination.txt"); try { FileUtils.copyFile(sourceFile, destFile); } catch (IOException e) { e.printStackTrace(); } } } import org.apache.commons.io.FileUtils; import java.io.File; import java.io.IOException; public class FileDeleteExample { public static void main(String[] args) { File file = new File("path/to/file.txt"); try { FileUtils.deleteQuietly(file); } catch (IOException e) { e.printStackTrace(); } } }


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