Dalam catatan ini kita akan melihat lima contoh berbeza mengenai cara menulis ke fail menggunakan Java. Sinppets kod memeriksa untuk melihat apakah fail itu ada sebelum menulis ke fail, jika tidak, fail dibuat.
import java.io.BufferedWriter; import java.io.File; import java.io.FileWriter; import java.io.IOException; public class WriteToFile {
public static void main( String[] args ) {
try {
String content = 'Content to write to file';
//Name and path of the file
File file = new File('writefile.txt');
if(!file.exists()){
file.createNewFile();
}
FileWriter fw = new FileWriter(file);
BufferedWriter bw = new BufferedWriter(fw);
bw.write(content);
bw.close();
} catch(IOException ex) {
System.out.println('Exception occurred:');
ex.printStackTrace();
}
} }
Nota:Jika kita ingin menambahkan ke file, kita perlu menginisialisasi file tersebut Penulis Fail dengan benar parameter: FileWriter fw = new FileWriter(file, true);
Berkaitan:
import java.io.*; public class WriteToFile {
public static void main( String[] args ) {
try {
String content = 'Content to write to file';
//Name and path of the file
File file = new File('writefile.txt');
if(!file.exists()){
file.createNewFile();
}
FileWriter fw = new FileWriter(file);
PrintWriter bw = new PrintWriter(fw);
bw.write(content);
bw.close();
} catch(IOException ex) {
System.out.println('Exception occurred:');
ex.printStackTrace();
}
} }
import java.io.File; import java.io.FileOutputStream; import java.io.IOException; public class WriteToFile {
public static void main( String[] args ) {
try {
String content = 'Content to write to file';
//Name and path of the file
File file = new File('writefile.txt');
if(!file.exists()){
file.createNewFile();
}
FileOutputStream outStream = new FileOutputStream(file);
byte[] strToBytes = content.getBytes();
outStream.write(strToBytes);
outStream.close();
} catch(IOException ex) {
System.out.println('Exception occurred:');
ex.printStackTrace();
}
} }
import java.io.IOException; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; public class WriteToFile {
public static void main( String[] args ) {
Path path = Paths.get('writefile.txt');
String content = 'Content to write to file';
try {
byte[] bytes = content.getBytes();
Files.write(path, bytes);
} catch(IOException ex) {
System.out.println('Exception occurred:');
ex.printStackTrace();
}
} }
import java.io.*; public class WriteToFile {
public static void main( String[] args ) {
String content = 'Content to write to file';
try {
File file = new File('writefile.txt');
if(!file.exists()){
file.createNewFile();
}
FileOutputStream fos = new FileOutputStream(file);
BufferedOutputStream bos = new BufferedOutputStream(fos);
DataOutputStream dataOutStream = new DataOutputStream(bos);
dataOutStream.writeUTF(content);
dataOutStream.close();
} catch(IOException ex) {
System.out.println('Exception occurred:');
ex.printStackTrace();
}
} }