public class maClass { public static void main (String[] args) throws IOException { BufferedReader in = new BufferedReader(new FileReader("D://pfe//cbedext0513.txt")); PrintWriter out = new PrintWriter (new FileWriter ("D://test.txt")); String line = in.readLine(); while (line != null){ if (line.startsWith("EXSTRS01")){ out.println(line); } line = in.readLine(); } in.close(); out.close(); } }
if (line.substring(0,8).equals("EXSTRS01"))
out.println(line);
out.write(line+"\n");
public class maClass { public static void main (String[] args) throws IOException { BufferedReader in = new BufferedReader(new FileReader("D://pfe//cbedext0513.txt")); PrintWriter out = new PrintWriter (new FileWriter ("D://test.txt")); String line = in.readLine(); while (line != null){ if (line.startsWith("EXSTRS01")){ out.println(line); } line = in.readLine(); } in.close(); } }
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Posez votre questionpublic class maClass { public static void main (String[] args) throws IOException { BufferedReader in = new BufferedReader(new FileReader("D://pfe//cbedext0513.txt")); PrintWriter out = new PrintWriter (new FileWriter ("D://test.txt")); String line = new String(); String c1; while ((line = in.readLine()) != null){ c1 = line.substring(0,8) ; if (c1.equals("EXSTRS01")){ out.write(line); out.println(line);} } in.close(); } }