Example usage for java.lang String String

Introduction

In this page you can find the example usage for java.lang String String.

Prototype

public String(StringBuilder builder)

Source Link

Document

Allocates a new string that contains the sequence of characters currently contained in the string builder argument.

Usage

From source file:MainClass.java

public static void main(String[] args) {

    String phrase = new String("www.java2s.com API \n");
    File aFile = new File("test.txt");

    FileOutputStream file = null;
    try {/*from w  w w  . ja  v a  2 s.c  o m*/
        file = new FileOutputStream(aFile, true);
    } catch (FileNotFoundException e) {
        e.printStackTrace(System.err);
    }
    FileChannel outChannel = file.getChannel();
    ByteBuffer buf = ByteBuffer.allocate(phrase.length());
    byte[] bytes = phrase.getBytes();
    buf.put(bytes);
    buf.flip();

    try {
        outChannel.write(buf);
        file.close();
    } catch (IOException e) {
        e.printStackTrace(System.err);
    }
}

From source file:Base64Encode.java

public static void main(String[] args) {
    String hello = "Hello World";

    byte[] encoded = Base64.encodeBase64(hello.getBytes());

    System.out.println(Arrays.toString(encoded));

    String encodedString = new String(encoded);
    System.out.println(hello + " = " + encodedString);
}

From source file:MainClass.java

public static void main(String args[]) {

    Vector vector = new Vector();
    vector.addElement(new Integer(5));
    vector.addElement(new Float(-14.14f));
    vector.addElement(new String("Hello"));

    Enumeration e = vector.elements();
    while (e.hasMoreElements()) {
        Object obj = e.nextElement();
        System.out.println(obj);// ww w  .j ava2  s . c  o m
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    File file = new File("C:/String.txt");
    FileInputStream fin = new FileInputStream(file);

    byte fileContent[] = new byte[(int) file.length()];
    fin.read(fileContent);//from w  ww .j a  va  2s  .  c  o m
    System.out.println(new String(fileContent));
}

From source file:Login.java

public static void main(String[] args) throws Exception {
    Console console = System.console();
    String username = console.readLine("Username:");
    char[] pwd = console.readPassword("Password:");

    System.out.println("Username = " + username);
    System.out.println("Password = " + new String(pwd));

    username = "";
    for (int i = 0; i < pwd.length; i++)
        pwd[i] = 0;/*from  ww w .  j ava 2 s . c  o m*/
}

From source file:MainClass.java

public static void main(String[] args) throws ClassNotFoundException, SQLException {
    Console console = System.console();
    if (console == null) {
        System.err.println("sales: unable to obtain console");
        return;/* w w  w . j a v a2s  .  com*/
    }

    String password = new String(console.readPassword("Enter password: "));
    System.out.println(password);
}

From source file:Main.java

public static void main(String[] args) {

    try {//from   w ww .  j ava 2  s  .c  o  m
        String str1 = "java2s.com";
        System.out.println("string1 = " + str1);
        // copy the contents of the String to a byte array
        byte[] arr = str1.getBytes(Charset.forName("ASCII"));

        String str2 = new String(arr);
        System.out.println("new string = " + str2);
    } catch (Exception e) {
        System.out.print(e.toString());
    }
}

From source file:MainClass.java

public static void main(String args[]) {
    Vector vector = new Vector();
    vector.addElement(new Integer(5));
    vector.addElement(new Float(-14.14f));

    System.out.println(vector);//  w  w  w  .  ja v  a2 s. co m

    String s = new String("String to be inserted");
    vector.insertElementAt(s, 1);
    System.out.println(vector);

    vector.removeElementAt(2);
    System.out.println(vector);
}

From source file:Main.java

public static void main(String[] args) throws NoSuchAlgorithmException {
    int numBytes = (new Integer("1111")).intValue();

    SecureRandom srand = new SecureRandom(new byte[] { 1, 2, 3, 4 });

    byte[] bytes = new byte[numBytes];
    srand.nextBytes(bytes);/*from w  ww. j  a  v a 2 s. c  om*/
    System.out.println(new String(bytes));
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    byte[] ary = new byte[128];
    DatagramPacket pack = new DatagramPacket(ary, 128);

    // read/*w  ww .  j  av  a  2s  .c om*/
    DatagramSocket sock = new DatagramSocket(1111);
    sock.receive(pack);
    String word = new String(pack.getData());
    System.out.println("From: " + pack.getAddress() + " Port: " + pack.getPort());
    System.out.println(word);
    sock.close();
    // write
    sock = new DatagramSocket();
    pack.setAddress(InetAddress.getByName(args[1]));
    pack.setData(args[2].getBytes());
    pack.setPort(1111);
    sock.send(pack);
    sock.close();

}