Example usage for java.io PrintWriter println

List of usage examples for java.io PrintWriter println

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Introduction

In this page you can find the example usage for java.io PrintWriter println.

Prototype

public void println(Object x)

Source Link

Document

Prints an Object and then terminates the line.

Usage

From source file:Main.java

License:asdf

public static void main(String[] arges) throws Exception {

    InetAddress addr = InetAddress.getByName(null);
    Socket sk = new Socket(addr, 8888);
    BufferedReader in = new BufferedReader(new InputStreamReader(sk.getInputStream()));
    PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(sk.getOutputStream())), true);
    out.println("asdf");
    System.out.println(in.readLine());
}

From source file:com.endava.webfundamentals.Main.java

public static void main(String[] args) throws JsonParseException, JsonMappingException, IOException {
    HttpClient httpClient = HttpClientBuilder.create().build();
    HttpGet httpRequest = new HttpGet("http://petstore.swagger.wordnik.com/api/api-docs");
    HttpResponse httpResponse = httpClient.execute(httpRequest);

    ObjectMapper objectMapper = new ObjectMapper();
    PetStore petStore = objectMapper.readValue(httpResponse.getEntity().getContent(), PetStore.class);

    PrintWriter out = new PrintWriter("PetStore.html");
    out.println("<html>");
    out.println("<header>");
    out.println(petStore.getInfo().getTitle());
    out.println("</header>");
    out.println("<body>");
    out.println("Api Version " + petStore.getApiVersion());
    out.println("Swagger Version " + petStore.getSwaggerVersion());
    out.println("<p>");
    out.println(petStore.getInfo().getDescription());
    out.println("</p>");
    out.println("<p>");
    out.println(petStore.getInfo().getContact());
    out.println("</p>");
    out.println(petStore.getInfo().getLicense());
    out.println(petStore.getInfo().getLicenseUrl());
    out.println("<p>");
    out.println(petStore.getInfo().getTermsOfServiceUrl());
    out.println("</p>");
    out.println("</body>");
    out.println("</html>");

    out.close();/*from ww  w  .ja v a2  s  . c o m*/
}

From source file:edu.berkeley.compbio.phyloutils.NearestNodeFinder.java

public static void main(String[] argv) throws IOException, NoSuchNodeException {
    //service.setGreengenesRawFilename(argv[0]);
    service.setHugenholtzFilename(argv[0]);
    //service.setSynonymService(NcbiTaxonomyClient.getInstance());
    service.init();//from   w w w.ja v a 2 s.c  om

    final int[] targetIds = IntArrayReader.read(argv[1]);
    int[] queryIds = IntArrayReader.read(argv[2]);
    final double minDistance = Double.parseDouble(argv[3]); // implement leave-one-out at any level

    Map<Integer, Double> results = Parallel.map(new ArrayIterator(queryIds), new Function<Integer, Double>() {
        public Double apply(Integer queryId) {
            try {
                double best = Double.MAX_VALUE;
                for (int targetId : targetIds) {
                    double d = service.minDistanceBetween(queryId, targetId);
                    if (d >= minDistance) {
                        best = Math.min(best, d);
                    }
                }
                return best;
            } catch (NoSuchNodeException e) {
                throw new Error(e);
            }
        }
    });

    String outfileName = argv[4];
    PrintWriter out = new PrintWriter(outfileName);
    out.println("id\tdist");

    for (Map.Entry<Integer, Double> entry : results.entrySet()) {
        out.println(entry.getKey() + "\t" + entry.getValue());
    }
    out.close();
}

From source file:MainClass.java

public static void main(String args[]) {

    try {//from  w  ww . j a v  a 2s . c  o  m
        PrintWriter pw = new PrintWriter(System.out);

        // Experiment with some methods
        pw.println(true);
        pw.println('A');
        pw.println(500);
        pw.println(40000L);
        pw.println(45.67f);
        pw.println(45.67);
        pw.println("Hello");
        pw.println(new Integer("99"));

        // Close print writer
        pw.close();
    } catch (Exception e) {
        System.out.println("Exception: " + e);
    }
}

From source file:LogTest.java

public static void main(String[] args) throws IOException {
    String inputfile = args[0];//from  w  w  w  .ja v a  2s  .  c om
    String outputfile = args[1];

    Map<String, Integer> map = new TreeMap<String, Integer>();

    Scanner scanner = new Scanner(new File(inputfile));
    while (scanner.hasNext()) {
        String word = scanner.next();
        Integer count = map.get(word);
        count = (count == null ? 1 : count + 1);
        map.put(word, count);
    }
    scanner.close();

    List<String> keys = new ArrayList<String>(map.keySet());
    Collections.sort(keys);

    PrintWriter out = new PrintWriter(new FileWriter(outputfile));
    for (String key : keys)
        out.println(key + " : " + map.get(key));
    out.close();
}

From source file:POP3Demo.java

public static void main(String[] args) throws Exception {
    int POP3Port = 110;
    Socket client = new Socket("127.0.0.1", POP3Port);
    InputStream is = client.getInputStream();
    BufferedReader sockin = new BufferedReader(new InputStreamReader(is));
    OutputStream os = client.getOutputStream();
    PrintWriter sockout = new PrintWriter(os, true);
    String cmd = "user Smith";
    sockout.println(cmd);
    String reply = sockin.readLine();
    cmd = "pass ";
    sockout.println(cmd + "popPassword");
    reply = sockin.readLine();//from   w  w w .ja  va  2 s.c o  m
    cmd = "stat";
    sockout.println(cmd);
    reply = sockin.readLine();
    if (reply == null)
        return;
    cmd = "retr 1";
    sockout.println(cmd);
    if (cmd.toLowerCase().startsWith("retr") && reply.charAt(0) == '+')
        do {
            reply = sockin.readLine();
            System.out.println("S:" + reply);
            if (reply != null && reply.length() > 0)
                if (reply.charAt(0) == '.')
                    break;
        } while (true);
    cmd = "quit";
    sockout.println(cmd);
    client.close();
}

From source file:Reverse.java

public static void main(String[] args) throws Exception {

    if (args.length != 1) {
        System.err.println("Usage:  java Reverse " + "string_to_reverse");
        System.exit(1);/*  w  w w. j ava  2s  .co  m*/
    }

    String stringToReverse = URLEncoder.encode(args[0]);

    URL url = new URL("http://java.sun.com/cgi-bin/backwards");
    URLConnection connection = url.openConnection();
    connection.setDoOutput(true);

    PrintWriter out = new PrintWriter(connection.getOutputStream());
    out.println("string=" + stringToReverse);
    out.close();

    BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
    String inputLine;

    while ((inputLine = in.readLine()) != null)
        System.out.println(inputLine);

    in.close();
}

From source file:CompileSourceInMemory.java

public static void main(String args[]) throws IOException {
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>();

    StringWriter writer = new StringWriter();
    PrintWriter out = new PrintWriter(writer);
    out.println("public class HelloWorld {");
    out.println("  public static void main(String args[]) {");
    out.println("    System.out.println(\"This is in another java file\");");
    out.println("  }");
    out.println("}");
    out.close();/*  w  w w. j  a  v a2  s . com*/
    JavaFileObject file = new JavaSourceFromString("HelloWorld", writer.toString());

    Iterable<? extends JavaFileObject> compilationUnits = Arrays.asList(file);
    CompilationTask task = compiler.getTask(null, null, diagnostics, null, null, compilationUnits);

    boolean success = task.call();
    for (Diagnostic diagnostic : diagnostics.getDiagnostics()) {
        System.out.println(diagnostic.getCode());
        System.out.println(diagnostic.getKind());
        System.out.println(diagnostic.getPosition());
        System.out.println(diagnostic.getStartPosition());
        System.out.println(diagnostic.getEndPosition());
        System.out.println(diagnostic.getSource());
        System.out.println(diagnostic.getMessage(null));

    }
    System.out.println("Success: " + success);

    if (success) {
        try {
            Class.forName("HelloWorld").getDeclaredMethod("main", new Class[] { String[].class }).invoke(null,
                    new Object[] { null });
        } catch (ClassNotFoundException e) {
            System.err.println("Class not found: " + e);
        } catch (NoSuchMethodException e) {
            System.err.println("No such method: " + e);
        } catch (IllegalAccessException e) {
            System.err.println("Illegal access: " + e);
        } catch (InvocationTargetException e) {
            System.err.println("Invocation target: " + e);
        }
    }
}

From source file:BufferedSocketClient.java

  public static void main(String args[]) throws Exception {
  Socket socket1;/*from  w  w w  .ja  va 2  s . c om*/
  int portNumber = 1777;
  String str = "initialize";

  socket1 = new Socket(InetAddress.getLocalHost(), portNumber);

  BufferedReader br = new BufferedReader(new InputStreamReader(socket1.getInputStream()));

  PrintWriter pw = new PrintWriter(socket1.getOutputStream(), true);

  pw.println(str);

  while ((str = br.readLine()) != null) {
    System.out.println(str);
    pw.println("bye");

    if (str.equals("bye"))
      break;
  }

  br.close();
  pw.close();
  socket1.close();
}

From source file:EchoServer.java

public static void main(String[] args) {
    try {//from ww  w.  ja  va 2  s  .com
        // establish server socket
        ServerSocket s = new ServerSocket(8189);

        // wait for client connection
        Socket incoming = s.accept();
        try {
            InputStream inStream = incoming.getInputStream();
            OutputStream outStream = incoming.getOutputStream();

            Scanner in = new Scanner(inStream);
            PrintWriter out = new PrintWriter(outStream, true /* autoFlush */);

            out.println("Hello! Enter BYE to exit.");

            // echo client input
            boolean done = false;
            while (!done && in.hasNextLine()) {
                String line = in.nextLine();
                out.println("Echo: " + line);
                if (line.trim().equals("BYE"))
                    done = true;
            }
        } finally {
            incoming.close();
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
}