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, 20);

    try {/*from w  w  w . j  a v  a 2s  . co  m*/
        // read the first five chars
        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 {
    StringReader reader = new StringReader("this is a test");

    int wordCount = 0;
    StreamTokenizer streamTokenizer = new StreamTokenizer(reader);

    while (streamTokenizer.nextToken() != StreamTokenizer.TT_EOF) {
        if (streamTokenizer.ttype == StreamTokenizer.TT_WORD)
            wordCount++;//from  w ww.j  a  va  2 s . co  m
    }
    System.out.println("Number of words in file: " + wordCount);
}

From source file:Main.java

public static void main(String[] args) {

    String s = "tutorial from java2s.com";

    Reader reader = new StringReader(s);

    try {/*  w ww  .jav  a 2  s.c  om*/
        // check if reader is ready
        System.out.println(reader.ready());

        // read the first five chars
        for (int i = 0; i < 5; 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 = "tutorial from java2s.com";

    Reader reader = new StringReader(s);

    // create a char array to read chars into
    char cbuf[] = new char[5];

    try {/*from w  ww . ja  v a  2  s  .  c  o  m*/
        // read characters into a portion of an array.
        System.out.println(reader.read(cbuf, 0, 5));

        System.out.println(cbuf);

        reader.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);

    // create a char array to read chars into
    char cbuf[] = new char[5];

    try {//from   w  ww . ja v  a 2  s  . co m
        // read characters into an array.
        System.out.println(reader.read(cbuf));

        System.out.println(cbuf);
        reader.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);

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

    try {//from   w ww  .j  a  va2 s .  c o  m
        // read the first five chars
        for (int i = 0; i < 5; i++) {
            char c = (char) pr.read();
            System.out.println(c);

            // skip a character every time
            pr.skip(1);
        }

        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);

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

    try {//from  w w  w. j a va2s.c  om
        // check if the reader is ready
        System.out.println(pr.ready());

        // read the first five chars
        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) {
    String s = "from java2s.com";

    StringReader sr = new StringReader(s);

    PushbackReader pr = new PushbackReader(sr, 20);

    try {/* w  w  w .j  a v  a 2s  .  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, 1, 4);

        for (int i = 0; i < 4; 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[] argv) throws IOException {
    StringReader stringReader = new StringReader("java2s.com");

    stringReader.mark(2);// w  ww  . jav  a 2 s  .  co m

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

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

    stringReader.reset();

    stringReader.close();
}

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, 20);

    try {/*from   w w w.  j  a  va 2  s .  c  om*/
        // 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();
    }
}