package Lernen; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.FileReader; import java.io.FileWriter; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; public class StringsmitFileInputOutputStreams { public static void main(String[] args) { int e = 2; double d = 2.4; String dateiName = "src/test.txt"; String data = null; try (BufferedReader input = new BufferedReader(new InputStreamReader(System.in))){ data = input.readLine(); } catch (Exception x) { x.printStackTrace(); } try (PrintWriter input = new PrintWriter(dateiName)){ String xy = null; xy += (data + d )+ e; input.write(xy); // input.println(d); // input.println(e); } catch (Exception x) { x.printStackTrace(); } } }