Example usage for java.io PrintStream printf

Introduction

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

Prototype

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

Source Link

Document

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

Usage

From source file:Main.java

public static void main(String[] args) {
    String s = "from java2s.com";

    PrintStream ps = new PrintStream(System.out);

    // printf this string
    ps.printf("This is a %s application", s);

    // flush the stream
    ps.flush();//w ww  .j  a va  2s  .  c om

}

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From source file:org.cybergarage.round.ConsistentHash.java

public final static String GetHashCode(String seed) {
    try {/* w ww. java2s . c o m*/
        MessageDigest md = MessageDigest.getInstance("SHA-256");
        md.update(seed.getBytes());
        byte[] digest = md.digest();

        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        PrintStream ps = new PrintStream(buffer);
        for (int i = 0; i < digest.length; i++) {
            ps.printf("%02x", (digest[i] & 0xff));
        }
        return buffer.toString();
    } catch (java.security.NoSuchAlgorithmException e) {
        return "";
    }
}

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From source file:org.apache.hadoop.mapreduce.security.SecureShuffleUtils.java

/**
 * byte array to Hex String// w ww.  j a va 2s  .  c  om
 * @param ba
 * @return string with HEX value of the key
 */
public static String toHex(byte[] ba) {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    PrintStream ps = new PrintStream(baos);
    for (byte b : ba) {
        ps.printf("%x", b);
    }
    return baos.toString();
}

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From source file:mx.bigdata.cfdi.CFDv3.java

public static void dump(String title, byte[] bytes, PrintStream out) {
    out.printf("%s: ", title);
    for (byte b : bytes) {
        out.printf("%02x ", b & 0xff);
    }//w  w  w .  ja  v a2 s  . c o  m
    out.println();
}

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From source file:com.lagrange.LabelApp.java

/**
 * Prints the labels received from the Vision API.
 *//*from w  ww . ja v a  2 s  .  c om*/
public static void printLabels(PrintStream out, Path imagePath, List<EntityAnnotation> labels) {
    out.printf("Labels for image %s:\n", imagePath);
    for (EntityAnnotation label : labels) {
        out.printf("\t%s (score: %.3f)\n", label.getDescription(), label.getScore());
    }
    try {
        sendPhotoToTelegramBot();
        sendMessageToTelegramBot(labels);
    } catch (IOException e) {
        e.printStackTrace();
    }
    if (labels.isEmpty()) {
        out.println("\tNo labels found.");
    }

}

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From source file:mx.bigdata.sat.cfdi.CFDv3.java

static void dump(String title, byte[] bytes, PrintStream out) {
    out.printf("%s: ", title);
    for (byte b : bytes) {
        out.printf("%02x ", b & 0xff);
    }/*from w  w w.  ja  v a2 s  . c om*/
    out.println();
}

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From source file:org.apache.hadoop.util.Crc32PerformanceTest.java

private static void printCell(String s, int width, PrintStream out) {
    final int w = s.length() > width ? s.length() : width;
    out.printf(" %" + w + "s |", s);
}

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From source file:de.tudarmstadt.ukp.clarin.webanno.brat.curation.AgreementUtils.java

public static void dumpStudy(PrintStream aOut, ICodingAnnotationStudy aStudy) {
    try {//from   w w  w.j  a v a2 s.c o  m
        aOut.printf("Category count: %d%n", aStudy.getCategoryCount());
    } catch (Throwable e) {
        aOut.printf("Category count: %s%n", ExceptionUtils.getRootCauseMessage(e));
    }
    try {
        aOut.printf("Item count: %d%n", aStudy.getItemCount());
    } catch (Throwable e) {
        aOut.printf("Item count: %s%n", ExceptionUtils.getRootCauseMessage(e));
    }

    for (ICodingAnnotationItem item : aStudy.getItems()) {
        StringBuilder sb = new StringBuilder();
        for (IAnnotationUnit unit : item.getUnits()) {
            if (sb.length() > 0) {
                sb.append(" \t");
            }
            sb.append(unit.getCategory());
        }
        aOut.println(sb);
    }
}

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From source file:de.tudarmstadt.ukp.clarin.webanno.brat.curation.AgreementUtils.java

public static void dumpAgreementStudy(PrintStream aOut, AgreementResult aAgreement) {
    try {// w  w  w  .j a v  a  2 s.com
        aOut.printf("Category count: %d%n", aAgreement.getStudy().getCategoryCount());
    } catch (Throwable e) {
        aOut.printf("Category count: %s%n", ExceptionUtils.getRootCauseMessage(e));
    }
    try {
        aOut.printf("Item count: %d%n", aAgreement.getStudy().getItemCount());
    } catch (Throwable e) {
        aOut.printf("Item count: %s%n", ExceptionUtils.getRootCauseMessage(e));
    }

    List<ConfigurationSet> completeSets = aAgreement.getCompleteSets();
    int i = 0;
    for (ICodingAnnotationItem item : aAgreement.getStudy().getItems()) {
        StringBuilder sb = new StringBuilder();
        sb.append(completeSets.get(i).getPosition());
        for (IAnnotationUnit unit : item.getUnits()) {
            if (sb.length() > 0) {
                sb.append(" \t");
            }
            sb.append(unit.getCategory());
        }
        aOut.println(sb);
        i++;
    }
}

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From source file:com.sangupta.clitools.file.HexDump.java

public static void hexDump(PrintStream outStream, BufferedInputStream bis, int currentRow, int maxRows)
        throws IOException {
    int row = currentRow + 1;
    if (maxRows == 0) {
        maxRows = Integer.MAX_VALUE;
    } else {// w w  w  . j a  v  a 2  s .  com
        maxRows += currentRow;
    }

    StringBuilder builder1 = new StringBuilder(100);
    StringBuilder builder2 = new StringBuilder(100);

    while (bis.available() > 0) {
        outStream.printf("%04X  ", row * 16);
        for (int j = 0; j < 16; j++) {
            if (bis.available() > 0) {
                int value = (int) bis.read();
                builder1.append(String.format("%02X ", value));

                if (!Character.isISOControl(value)) {
                    builder2.append((char) value);
                } else {
                    builder2.append(".");
                }
            } else {
                for (; j < 16; j++) {
                    builder1.append("   ");
                }
            }
        }
        outStream.print(builder1);
        outStream.println(builder2);
        row++;

        if (row > maxRows) {
            break;
        }

        builder1.setLength(0);
        builder2.setLength(0);
    }
}

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