Example usage for java.io StringReader StringReader

Introduction

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

Prototype

public StringReader(String s)

Source Link

Document

Creates a new string reader.

Usage

From source file:Main.java

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

    int i = 0;//from  ww w  .  jav a2  s  . c  o m

    Reader r = new StringReader("ABCDEFG");

    // create new filter reader
    FilterReader fr = new FilterReader(r) {
    };

    // read till the end of the stream
    while ((i = fr.read()) != -1) {
        char c = (char) i;
        System.out.println(c);
    }

}

From source file:Main.java

public static void main(String[] args) {
    try {/*from w  w w  . ja  v  a2  s . co m*/
        String s = "tutorial from java2s.com";

        Reader reader = new StringReader(s);

        for (int i = 0; i < 5; i++) {
            char c = (char) reader.read();
            System.out.println(c);
        }

        reader.mark(10);

        for (int i = 0; i < 6; i++) {
            char c = (char) reader.read();
            System.out.println(c);
        }

        reader.reset();

        for (int i = 0; i < 6; i++) {
            char c = (char) reader.read();
            System.out.println(c);
        }
        reader.close();

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

From source file:Main.java

public static void main(String[] args) {

    String s = "java2s.com 1 + 1 = 2.0 true ";
    Scanner scanner = new Scanner(new StringReader(s));

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

    // change the radix of the scanner
    scanner.useRadix(32);//from w w  w  . ja  v a2 s  .c  o m

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

    scanner.close();
}

From source file:Main.java

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

    // create new reader
    Reader r = new StringReader("ABCDEF");

    // create new filter reader
    FilterReader fr = new FilterReader(r) {
    };/*from  w  w w. jav  a  2  s  .c om*/

    // tests if the filter reader supports mark()
    boolean bool = fr.markSupported();

    // prints
    System.out.print("If mark() supported? " + bool);

}

From source file:Main.java

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

    String s = "from java2s.com";

    StringReader sr = new StringReader(s);

    BufferedReader br = new BufferedReader(sr);

    // reads and prints BufferedReader
    System.out.println((char) br.read());
    System.out.println((char) br.read());

    // mark invoked at this position
    br.mark(0);//from www  .  j a  v a2  s  .com
    System.out.println("mark() invoked");
    System.out.println((char) br.read());
    System.out.println((char) br.read());

    // reset() repositioned the stream to the mark
    br.reset();
    System.out.println("reset() invoked");
    System.out.println((char) br.read());
    System.out.println((char) br.read());

}

From source file:Main.java

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

    Reader r = new StringReader("ABCDEF");

    // create new filter reader
    FilterReader fr = new FilterReader(r) {
    };//from w w  w  .  j av  a2  s. c om

    // reads and prints FilterReader
    System.out.println((char) fr.read());
    System.out.println((char) fr.read());

    // mark invoked at this position
    fr.mark(0);
    System.out.println("mark() invoked");
    System.out.println((char) fr.read());
    System.out.println((char) fr.read());

    // reset() repositioned the stream to the mark
    fr.reset();
    System.out.println("reset() invoked");
    System.out.println((char) fr.read());
    System.out.println((char) fr.read());

}

From source file:Main.java

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

    String s = "from java2s.com";

    StringReader sr = new StringReader(s);

    // create new buffered reader
    BufferedReader br = new BufferedReader(sr);

    // Destination source is created
    CharBuffer target = CharBuffer.allocate(s.length());

    // ready is invoked to test if character stream is ready
    if (br.ready()) {
        br.read(target);//www .ja  v  a2 s  .c  om
    }
    System.out.print(target.array());

}

From source file:Main.java

public static void main(String[] args) {

    String s = "tutorial from java2s.com";

    CharBuffer cb = CharBuffer.allocate(100);

    Reader reader = new StringReader(s);

    try {/*from  ww w . j a v  a  2 s  . c o  m*/
        reader.read(cb);

        cb.flip();

        // print the char buffer
        System.out.println(cb.toString());

        reader.close();

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

From source file:Main.java

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

    char[] cbuf = new char[6];
    int i = 0;// w ww  .j a  v  a2  s  .  com

    Reader r = new StringReader("ABCDEF");

    FilterReader fr = new FilterReader(r) {
    };

    // read data of len 4, to the buffer
    i = fr.read(cbuf, 2, 4);
    System.out.println("No. of characters read: " + i);

    // read till the end of the char buffer
    for (char c : cbuf) {
        // checks for the empty character in buffer
        if ((byte) c == 0)
            c = '-';

        System.out.print(c);
    }

}

From source file:Main.java

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

    int i = 0;//from   w ww. ja v a 2s.  co  m

    // create new reader
    Reader r = new StringReader("from java2s.com");

    // create new filter reader
    FilterReader fr = new FilterReader(r) {
    };

    // read till the end of the filter reader
    while ((i = fr.read()) != -1) {
        // convert integer to character
        char c = (char) i;

        // prints
        System.out.println("Character read: " + c);

        // number of characters actually skipped
        long l = fr.skip(2);

        // prints
        System.out.println("Character skipped: " + l);
    }

}