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) {

    String s = "from java2s.com";

    StringReader sr = new StringReader(s);

    // create a new PushBack reader based on our string reader
    PushbackReader pr = new PushbackReader(sr);

    try {//w w w . ja va  2s . co m
        // read the first five chars
        for (int i = 0; i < 5; i++) {
            char c = (char) pr.read();
            System.out.println(c);
        }
        // unread a character
        pr.unread('F');

        // read the next char, which is the one we unread
        char c = (char) pr.read();

        System.out.println(c);

        pr.close();

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

From source file:Main.java

public static void main(String[] args) {

    String s = "from java2s.com";

    StringReader sr = new StringReader(s);

    PushbackReader pr = new PushbackReader(sr, 20);

    try {//from  w  w  w.  j ava 2 s .  c  o m
        for (int i = 0; i < 5; i++) {
            char c = (char) pr.read();
            System.out.println(c);
        }

        char cbuf[] = { 'w', 'o', 'r', 'l', 'd' };

        pr.unread(cbuf);

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

        pr.close();

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

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   ww  w  . ja v  a 2s  . com

    // true if the filter reader is ready to be read
    boolean bool = fr.ready();

    // prints
    System.out.println("Ready to read? " + bool);

}

From source file:Main.java

public static void main(String[] args) {
    try {/*from   w  ww.  ja  va 2  s. c o  m*/
        String s = "from java2s.com";

        StringReader sr = new StringReader(s);

        // create a new PushBack reader based on our string reader
        PushbackReader pr = new PushbackReader(sr, 20);

        // read the first five chars
        for (int i = 0; i < 5; i++) {
            char c = (char) pr.read();
            System.out.println(c);
        }
        // try to reset
        pr.reset();

        pr.close();

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

From source file:Main.java

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

    Reader reader = new StringReader(s);

    try {//from  ww  w  .  j  ava2  s  .c om
        for (int i = 0; i < 5; i++) {
            char c = (char) reader.read();
            System.out.print(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[] argv) throws IOException {
    StringReader stringReader = new StringReader("java2s.com");

    System.out.println(stringReader.ready());

    char[] charArray = new char[10];
    stringReader.read(charArray);//from ww w.  j a  va 2  s  .  c om
    System.out.println(Arrays.toString(charArray));

    stringReader.close();
}

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, 200);

}

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);

}

From source file:Main.java

public static void main(String[] args) {

    String s = "tutorial from java2s.com";

    // create a new StringReader
    Reader reader = new StringReader(s);

    try {/*from   w  w w .j  av  a 2  s  .  c  om*/
        // read the first five chars
        for (int i = 0; i < 5; i++) {
            char c = (char) reader.read();
            System.out.println(c);
        }
        System.out.println(reader.markSupported());
        reader.close();

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

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) {
    };/*w  w w. j  av  a  2  s .  c o m*/

    // read and print characters one by one
    System.out.println("Char : " + (char) fr.read());
    System.out.println("Char : " + (char) fr.read());
    System.out.println("Char : " + (char) fr.read());

    // mark is set on the filter reader
    fr.mark(0);
    System.out.println("Char : " + (char) fr.read());
    System.out.println("reset() invoked");

    // reset is called
    fr.reset();

    // read and print characters
    System.out.println("char : " + (char) fr.read());
    System.out.println("char : " + (char) fr.read());

}