Example usage for java.io PrintWriter printf

Introduction

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

Prototype

public PrintWriter printf(String format, Object... args) 

Source Link

Document

A convenience method to write a formatted string to this writer using the specified format string and arguments.

Usage

From source file:Main.java

public static void main(String[] args) {
    String s = "tutorial from java2s.com";
    try {/* www  .  j ava2  s  .  co  m*/

        PrintWriter pw = new PrintWriter(System.out);

        // %s indicates a string will be placed there, which is s
        pw.printf("This is a %s program", s);

        // flush the writer
        pw.flush();

    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

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From source file:com.aestel.chemistry.openEye.fp.DistMatrix.java

public static void main(String... args) throws IOException {
    long start = System.currentTimeMillis();

    // create command line Options object
    Options options = new Options();
    Option opt = new Option("i", true, "input file [.tsv from FingerPrinter]");
    opt.setRequired(true);//from w ww  . j  a v a  2  s.  c om
    options.addOption(opt);

    opt = new Option("o", true, "outpur file [.tsv ");
    opt.setRequired(true);
    options.addOption(opt);

    CommandLineParser parser = new PosixParser();
    CommandLine cmd = null;
    try {
        cmd = parser.parse(options, args);
    } catch (Exception e) {
        System.err.println(e.getMessage());
        exitWithHelp(options);
    }
    args = cmd.getArgs();

    if (args.length != 0)
        exitWithHelp(options);

    String file = cmd.getOptionValue("i");
    BufferedReader in = new BufferedReader(new FileReader(file));

    file = cmd.getOptionValue("o");
    PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(file)));

    ArrayList<Fingerprint> fps = new ArrayList<Fingerprint>();
    ArrayList<String> ids = new ArrayList<String>();
    String line;
    while ((line = in.readLine()) != null) {
        String[] parts = line.split("\t");
        if (parts.length == 3) {
            ids.add(parts[0]);
            fps.add(new ByteFingerprint(parts[2]));
        }
    }
    in.close();

    out.print("ID");
    for (int i = 0; i < ids.size(); i++) {
        out.print('\t');
        out.print(ids.get(i));
    }
    out.println();

    for (int i = 0; i < ids.size(); i++) {
        out.print(ids.get(i));
        Fingerprint fp1 = fps.get(i);

        for (int j = 0; j <= i; j++) {
            out.printf("\t%.4g", fp1.tanimoto(fps.get(j)));
        }
        out.println();
    }
    out.close();

    System.err.printf("Done %d fingerprints in %.2gsec\n", fps.size(),
            (System.currentTimeMillis() - start) / 1000D);
}

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From source file:MainClass.java

public static void premain(final Instrumentation inst) {
    Runtime.getRuntime().addShutdownHook(new Thread() {
        public void run() {
            try {
                PrintWriter out = new PrintWriter(System.err);

                ThreadMXBean tb = ManagementFactory.getThreadMXBean();
                out.printf("Current thread count: %d%n", tb.getThreadCount());
                out.printf("Peak thread count: %d%n", tb.getPeakThreadCount());

                List<MemoryPoolMXBean> pools = ManagementFactory.getMemoryPoolMXBeans();
                for (MemoryPoolMXBean pool : pools) {
                    MemoryUsage peak = pool.getPeakUsage();
                    out.printf("Peak %s memory used: %,d%n", pool.getName(), peak.getUsed());
                    out.printf("Peak %s memory reserved: %,d%n", pool.getName(), peak.getCommitted());
                }/*from www  . j  a v  a2s  .  com*/

                Class[] loaded = inst.getAllLoadedClasses();
                out.println("Loaded classes:");
                for (Class c : loaded)
                    out.println(c.getName());
                out.close();
            } catch (Throwable t) {
                System.err.println("Exception in agent: " + t);
            }
        }
    });
}

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From source file:de.tudarmstadt.ukp.dkpro.c4corpus.hadoop.statistics.StatisticsTableCreator.java

public static void saveTableToCsv(Table<String, String, Long> table, OutputStream outputStream) {
    PrintWriter pw = new PrintWriter(outputStream);
    pw.write(";");
    for (String columnKey : table.columnKeySet()) {
        pw.printf("%s;", columnKey);
    }/*from  w  w w .jav a 2  s  . c  o m*/
    pw.println();

    for (String rowKey : table.rowKeySet()) {
        pw.printf("%s;", rowKey);
        for (String columnKey : table.columnKeySet()) {
            Long value = table.get(rowKey, columnKey);
            pw.printf("%d;", value != null ? value : 0);
        }
        pw.println();
    }

    IOUtils.closeQuietly(pw);
}

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From source file:ca.cutterslade.match.scheduler.Main.java

private static String summary(final Scheduler scheduler) {
    final StringWriter w = new StringWriter();
    final PrintWriter p = new PrintWriter(w);
    final String columnFormat = " %15s";
    p.printf(columnFormat, "Day");
    p.printf(columnFormat, "Time");
    for (final Court c : scheduler.getCourts()) {
        p.printf(columnFormat, c.getGym().getName() + '-' + c.getName());
    }//from ww w . j  a  va 2 s  . c  om
    p.println();
    for (final Day d : scheduler.getDays())
        for (final Time t : scheduler.getTimes()) {
            p.printf(columnFormat, d.getName());
            p.printf(columnFormat, t.getName());
            for (final Court c : scheduler.getCourts()) {
                final Match m = scheduler.getMatch(d, t, c);
                p.printf(columnFormat, teamsString(m));
            }
            p.println();
        }
    p.close();
    return w.toString();
}

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From source file:com.rsmart.rfabric.logging.FormattedLogger.java

/**
 * Applies a pattern with parameters to create a {@link String} used as a logging message
 *  //from   w  w  w  . ja v  a2 s.c o m
 * 
 * @param pattern to format against
 * @param objs an array of objects used as parameters to the <code>pattern</code>
 * @return Logging Message
 */
private static final String getMessage(String pattern, Object... objs) {
    StringWriter retval = new StringWriter();
    PrintWriter writer = new PrintWriter(retval);

    writer.printf(pattern, objs);

    return retval.toString();
}

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From source file:Main.java

/**
 * dump bipartite community affiliation into a text file with node names
 * /*from   w w  w  . j  a  va  2 s. co  m*/
 * @param OutFNm
 * @param CmtyVV
 * @param NIDNmH
 */
static void dumpCmtyVV(final String OutFNm, Vector<Vector<Integer>> CmtyVV, Hashtable<Integer, String> NIDNmH) {
    PrintWriter f;
    try {
        f = new PrintWriter(OutFNm);

        for (int c = 0; c < CmtyVV.size(); c++) {
            for (int u = 0; u < CmtyVV.get(c).size(); u++) {
                if (NIDNmH.containsKey(CmtyVV.get(c).get(u))) {
                    f.printf("%s\t", NIDNmH.get(CmtyVV.get(c).get(u)));
                } else {
                    f.printf("%d\t", (int) CmtyVV.get(c).get(u));
                }
            }
            f.printf("\n");
        }
        f.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
}

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From source file:com.tamingtext.tagging.LuceneCategoryExtractor.java

/** dump the values stored in the specified field for each document.
 * //from  ww w  .j av  a2 s . c  o m
 *  <pre>term(tab)document_frequency</pre>
 *  
 * @param indexDir the index to read.
 * @param field the name of the field.
 * @param out the print writer output will be written to
 * @throws IOException
 */
public static void dumpDocumentFields(File indexDir, String field, long maxDocs, PrintWriter out)
        throws IOException {
    Directory dir = FSDirectory.open(indexDir);
    IndexReader reader = IndexReader.open(dir, true);
    int max = reader.maxDoc();
    for (int i = 0; i < max; i++) {
        if (!reader.isDeleted(i)) {
            Document d = reader.document(i);
            for (Field f : d.getFields(field)) {
                if (f.isStored() && !f.isBinary()) {
                    String value = f.stringValue();
                    if (value != null) {
                        out.printf("%s\n", value);
                    }
                }
            }
        }
    }
}

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From source file:org.isatools.isatab.commandline.permission_manager.PermissionManager.java

/**
 * Pretty printing of a study, for command line printing.
 *///from  w  w w.ja va 2s . com
public static String formatStudy(Study study) {
    StringWriter sw = new StringWriter();
    PrintWriter out = new PrintWriter(sw);
    out.println("ACCESSION: " + study.getAcc());
    out.printf("  Title: %50.50s\n", study.getTitle());
    out.println(
            "  Submission Date: " + study.getSubmissionDate() + ", Release Date: " + study.getReleaseDate());
    out.println("  Visibility: " + study.getStatus());
    out.println("  Users:");
    out.print("  ");
    for (User u : study.getUsers()) {
        out.printf("%15.15s  ", u.getUserName());
    }
    out.println();
    out.println();
    out.flush();
    return sw.toString();
}

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From source file:com.zimbra.kabuki.tools.img.ImageMerger.java

private static void print(PrintWriter out, String format, Object... args) {
    if (out != null)
        out.printf(format, args);
}

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