Here, you will see how to create a file in existing directory in java.

How to create a file in java.

In this example, you will see how to create a new file in java. There is a class FileDemo that has method createFile(). In this method, first of all we will creates a object of file. The exists() method of File class check the availability of  this file. If file already present then it generate an exception and if not exist then the createNewFile() method of File class create new file of given name.

import java.io.File;
import java.io.IOException;

class FileDemo {
	public void createFile() {
		File file = new File("CreateFile.txt");
		try {
			if (!file.exists()) {
				file.createNewFile();
				System.out.println("File created.");
			}
		} catch (Exception e) {
			System.out.println(e.getMessage());
		}
	}
}
public class CreateAFile {
	public static void main(String[] arg) {
		FileDemo fileDemo = new FileDemo();
		fileDemo.createFile();
	}
}

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