Example usage for java.nio.charset StandardCharsets UTF

Introduction

In this page you can find the example usage for java.nio.charset StandardCharsets UTF_8.

Prototype

Charset UTF_8

To view the source code for java.nio.charset StandardCharsets UTF_8.

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Document

Eight-bit UCS Transformation Format.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    System.out.println(StandardCharsets.UTF_8.name());
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Scanner scanner = new Scanner(new File("c:/text.txt"), StandardCharsets.UTF_8.name());
    System.out.println(scanner.nextLine());

    scanner.close();/* w w  w  . jav  a 2s .c o m*/
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Scanner scanner = new Scanner(new FileInputStream("c:/text.txt"), StandardCharsets.UTF_8.name());
    System.out.println(scanner.nextLine());

    scanner.close();/*from  w  ww . j av  a  2 s .c o  m*/
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    BufferedReader reader = Files.newBufferedReader(Paths.get("a.bat"), StandardCharsets.UTF_8);
    //BufferedReader's lines methods returns a stream of all lines
    reader.lines().forEach(System.out::println);
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Scanner scanner = new Scanner(FileSystems.getDefault().getPath("logs", "access.log"),
            StandardCharsets.UTF_8.name());
    System.out.println(scanner.nextLine());

    scanner.close();/*  w  w  w. j a v a 2s.  co  m*/
}

From source file:Main.java

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

    Scanner scanner = new Scanner(new FileInputStream("c:/text.txt").getChannel(),
            StandardCharsets.UTF_8.name());

    System.out.println(scanner.nextLine());

    // change the radix of the scanner
    scanner.useRadix(32);/*from   w w  w. ja va2s .  co m*/

    // display the new radix
    System.out.println(scanner.radix());

    scanner.close();
}

From source file:Main.java

public static void main(String[] args) {

    String s = "from java2s.com!";

    try {//  w  w w  .jav  a  2s.com

        OutputStream os = new FileOutputStream("test.txt");
        OutputStreamWriter writer = new OutputStreamWriter(os, java.nio.charset.StandardCharsets.UTF_8);

        FileInputStream in = new FileInputStream("test.txt");

        writer.write(s, 0, 5);

        writer.flush();

        for (int i = 0; i < 5; i++) {
            System.out.print((char) in.read());
        }
        writer.close();
        in.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

From source file:Main.java

public static void main(String[] args) {
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < 100; i++) {
        sb.appendCodePoint(1064124);/*ww w  .  j a va  2s  . c  o m*/
    }
    Charset cs = StandardCharsets.UTF_8;

    System.out.println(bytesRequiredToEncode(new String(sb), cs));
    System.out.println(new String(sb).getBytes(cs).length);
}

From source file:de.tum.i13.ConvertCsvToProtobuf.java

public static void main(String args[]) {
    try {/*  w w w .j ava 2 s .c  om*/
        LineIterator it = FileUtils.lineIterator(new File("/Users/manit/Projects/sdcbenchmark/Dataset/debscsv"),
                "UTF-8");
        FileOutputStream out = new FileOutputStream("/Users/manit/Projects/sdcbenchmark/Dataset/debsprotobuf",
                true);

        while (it.hasNext()) {

            String csvLine = (String) it.next();
            byte[] csvLineBytes = csvLine.getBytes();
            String line = new String(csvLineBytes, StandardCharsets.UTF_8);
            Debs2015Protos.Taxitrip.Builder builder = Debs2015Protos.Taxitrip.newBuilder();
            String[] splitted = line.split(",");

            builder.setMedallion(splitted[0]);
            builder.setHackLicense(splitted[1]);
            builder.setPickupDatetime(splitted[2]);
            builder.setDropoffDatetime(splitted[3]);
            builder.setTripTimeInSecs(Integer.parseInt(splitted[4]));
            builder.setTripDistance(Float.parseFloat(splitted[5]));
            builder.setPickupLongitude(Float.parseFloat(splitted[6]));
            builder.setPickupLatitude(Float.parseFloat(splitted[7]));
            builder.setDropoffLongitude(Float.parseFloat(splitted[8]));
            builder.setDropoffLatitude(Float.parseFloat(splitted[9]));
            builder.setPaymentType(splitted[10]);
            builder.setFareAmount(Float.parseFloat(splitted[11]));
            builder.setSurcharge(Float.parseFloat(splitted[12]));
            builder.setMtaTax(Float.parseFloat(splitted[13]));
            builder.setTipAmount(Float.parseFloat(splitted[14]));
            builder.setTollsAmount(Float.parseFloat(splitted[15]));
            builder.setTotalAmount(Float.parseFloat(splitted[16]));

            builder.build().writeDelimitedTo(out);
        }
        out.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:io.druid.query.aggregation.datasketches.quantiles.GenerateTestData.java

public static void main(String[] args) throws Exception {
    Path buildPath = FileSystems.getDefault().getPath("doubles_build_data.tsv");
    Path sketchPath = FileSystems.getDefault().getPath("doubles_sketch_data.tsv");
    BufferedWriter buildData = Files.newBufferedWriter(buildPath, StandardCharsets.UTF_8);
    BufferedWriter sketchData = Files.newBufferedWriter(sketchPath, StandardCharsets.UTF_8);
    Random rand = new Random();
    int sequenceNumber = 0;
    for (int i = 0; i < 20; i++) {
        int product = rand.nextInt(10);
        UpdateDoublesSketch sketch = UpdateDoublesSketch.builder().build();
        for (int j = 0; j < 20; j++) {
            double value = rand.nextDouble();
            buildData.write("2016010101");
            buildData.write('\t');
            buildData.write(Integer.toString(sequenceNumber)); // dimension with unique numbers for ingesting raw data
            buildData.write('\t');
            buildData.write(Integer.toString(product)); // product dimension
            buildData.write('\t');
            buildData.write(Double.toString(value));
            buildData.newLine();/*from  ww  w.ja  v  a  2  s  . c  o m*/
            sketch.update(value);
            sequenceNumber++;
        }
        sketchData.write("2016010101");
        sketchData.write('\t');
        sketchData.write(Integer.toString(product)); // product dimension
        sketchData.write('\t');
        sketchData.write(Base64.encodeBase64String(sketch.toByteArray(true)));
        sketchData.newLine();
    }
    buildData.close();
    sketchData.close();
}

Example usage for java.nio.charset StandardCharsets UTF_8

Introduction

Prototype

Document

Usage