java create/write a txt file

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java create a text file if it does not exist

import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.*;

public class Lautturi {
	public static void main(String[] args) throws IOException {
		PrintWriter pw = new PrintWriter(new FileWriter("test2.txt", true));
		pw.write("hello");
		pw.close();
	}
}

java create/write to a text file

/**
 * @author lautturi.com 
 * Java example:  java create a txt file and write to file
 */

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.*;

public class Lautturi {
	public static void main(String[] args) throws IOException {
		File file = new File("test2.txt");
		file.createNewFile();
		
		FileWriter fw = new FileWriter("test2.txt");
		fw.write("hello java");
		fw.close();
	}
}

java write to file

/**
 * @author lautturi.com 
 * Java example: java how to  write a file in a specified directory
 */

import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.util.*;

public class Lautturi {
	public static void main(String[] args) throws IOException {

	    BufferedWriter writer = new BufferedWriter(new FileWriter("d:/test3.txt"));
	    writer.write("Hello");
	    writer.close();
	}
}

Created Time:2017-10-01 15:29:41 　Author:lautturi

java write to text file without overwriting

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