Vytvoření souboru v Javě
Příklady kódu
java vytvořit txt soubor
File myObj = new File("path");
myObj.createNewFile();
FileWriter myWriter = new FileWriter("path");
myWriter.write("text");
myWriter.close();Java vytvořit nový soubor
// example on createNewFile() method of File class in java
import java.io.File;
import java.io.IOException;
public class CreateFileDemo
{
public static void main(String[] args) throws IOException
{
try
{
File file = new File("D:\\demo.txt");
boolean bool = file.createNewFile();
if(bool)
{
System.out.println("File created successfully");
}
else
{
System.out.println("File already exists");
}
}
catch(IOException ex)
{
System.out.println("Exception : ");
ex.printStackTrace();
}
}
}napište soubor java
@Test
public void givenUsingJava7_whenWritingToFile_thenCorrect()
throws IOException {
String str = "Hello";
Path path = Paths.get(fileName);
byte[] strToBytes = str.getBytes();
Files.write(path, strToBytes);
String read = Files.readAllLines(path).get(0);
assertEquals(str, read);
}
java vytvořit soubor
String fileData = "yourContent";
FileOutputStream fos = new FileOutputStream("yourFile.txt");
fos.write(fileData.getBytes());
fos.flush();
fos.close();vytvoření souboru v Javě
package FileHandling;
// Import the File class
import java.io.File;
// Import the IOException class to handle errors
import java.io.IOException;
public class CreateFile {
public static void main(String[] args) {
try {
// Creating an object of a file
File myObj = new File("D:FileHandlingNewFilef1.txt");
if (myObj.createNewFile()) {
System.out.println("File created: " + myObj.getName());
} else {
System.out.println("File already exists.");
}
} catch (IOException e) {
System.out.println("An error occurred.");
e.printStackTrace();
}
}
}Související stránky
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