Lehekülje Java:Faili kirjutamine lähteteksti vaatamine

<source lang="java">
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;

public class WriteFile {
	public static final String FILENAME = "test.txt";

	public static void main(String[] args) throws IOException {
		Path path = Paths.get(FILENAME);
		
		// BufferedWriter
		BufferedWriter writer = Files.newBufferedWriter(path);
		// note the \n in the end of the string.
		// this adds a new line in the end of the first string.
		// without this the file would become "teretere"
		// currently its "tere" in the first line and "tere" on the second.
		writer.write("tere\n");
		writer.write("tere");
		writer.close();
		
		// FileWriter
		FileWriter writer2 = new FileWriter(FILENAME);
		writer2.write("" + 4); // "4"
		writer2.close();
		
		// PrintWriter + append
		// providing additional option APPEND, 
		// we can write in the end of the existing file
		PrintWriter printWriter = new PrintWriter(
				Files.newBufferedWriter(path, StandardOpenOption.APPEND));
		// PrintWriter has already familiar methods like "println"
		// which add line break
		printWriter.println("some text");
		printWriter.println("other line");
		printWriter.close();
	}

}
</source>
[[Category:Java juhend|Faili kirjutamine]]