Example usage for java.io InputStreamReader InputStreamReader

Introduction

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

Prototype

public InputStreamReader(InputStream in)

Source Link

Document

Creates an InputStreamReader that uses the default charset.

Usage

From source file:Main.java

public static void main(String[] args) throws IOException {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

    String text = "q";
    while (true) {
        System.out.print("Please type a message (Q/q to quit) and press enter:");
        text = br.readLine();//from w  w  w  . ja va2  s.c  o  m
        if (text.equalsIgnoreCase("q")) {
            System.out.println("We have  decided to exit  the   program");
            break;
        } else {
            System.out.println("We typed: " + text);
        }
    }
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    System.out.print("Enter your name: ");
    InputStreamReader reader = new InputStreamReader(System.in);
    BufferedReader in = new BufferedReader(reader);
    String name = in.readLine();//from ww  w.j a  va2s. c  om
    System.out.println("Hello, " + name + ". Enter three ints...");
    int[] values = new int[3];
    double sum = 0.0;
    for (int i = 0; i < values.length; i++) {
        System.out.print("Number " + (i + 1) + ": ");
        String temp = in.readLine();
        values[i] = Integer.parseInt(temp);
        sum += values[i];
    }
    System.out.println("The average equals " + sum / values.length);
}

From source file:UseTrim.java

public static void main(String args[]) throws IOException {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    String str;//from  ww  w .  ja v a 2 s. c o m

    System.out.println("Enter 'stop' to quit.");
    System.out.println("Enter letter: ");
    do {
        str = br.readLine();
        str = str.trim();

        if (str.equals("I"))
            System.out.println("I");
        else if (str.equals("M"))
            System.out.println("M");
        else if (str.equals("C"))
            System.out.println("C.");
        else if (str.equals("W"))
            System.out.println("W");
    } while (!str.equals("stop"));
}

From source file:ParseDemo.java

public static void main(String args[]) throws IOException {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    String str;//from ww  w.  jav a 2 s.  c  om
    int i;
    int sum = 0;

    System.out.println("Enter numbers, 0 to quit.");
    do {
        str = br.readLine();
        try {
            i = Integer.parseInt(str);
        } catch (NumberFormatException e) {
            System.out.println("Invalid format");
            i = 0;
        }
        sum += i;
        System.out.println("Current sum is: " + sum);
    } while (i != 0);
}

From source file:TinyEdit.java

public static void main(String args[]) throws IOException {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    String str[] = new String[100];

    System.out.println("Enter lines of text.");
    System.out.println("Enter 'stop' to quit.");
    for (int i = 0; i < 100; i++) {
        str[i] = br.readLine();/*  w  w w.j  a v a2  s.  c om*/
        if (str[i].equals("stop"))
            break;
    }

    System.out.println("\nHere is your file:");

    for (int i = 0; i < 100; i++) {
        if (str[i].equals("stop"))
            break;
        System.out.println(str[i]);
    }
}

From source file:MainClass.java

public static void main(String args[]) {
    try {/* www .j  av  a2  s .c  om*/

        InputStreamReader isr = new InputStreamReader(System.in);
        BufferedReader br = new BufferedReader(isr);

        while (true) {

            System.out.print("Radius? ");

            String str = br.readLine();
            double radius;
            try {
                radius = Double.valueOf(str).doubleValue();
            } catch (NumberFormatException nfe) {
                System.out.println("Incorrect format!");
                continue;
            }

            if (radius <= 0) {
                System.out.println("Radius must be positive!");
                continue;
            }

            double area = Math.PI * radius * radius;
            System.out.println("Area is " + area);
            return;
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
    String strLine = in.readLine();
    BufferedWriter out = new BufferedWriter(new OutputStreamWriter(System.out));
    out.write(strLine, 0, strLine.length());
    out.flush();//from   w  ww .  j ava  2 s.c om
    in.close();
    out.close();
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://localhost:1776");
    BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream()));
    String line;/*from   ww  w. j a v a  2  s  .c  om*/
    while ((line = in.readLine()) != null) {
        System.out.println(line);
    }
    in.close();
}

From source file:Main.java

public static void main(String args[]) throws IOException {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    String tmp = br.readLine();//www  . j  a  v  a 2s  .c om
    int length = tmp.length();
    char c[] = new char[length];
    tmp.getChars(0, length, c, 0);
    CharArrayReader input1 = new CharArrayReader(c);
    int i;
    System.out.print("input1 is:");
    while ((i = input1.read()) != -1) {
        System.out.print((char) i);
    }

}

From source file:Main.java

public static void main(String args[]) throws IOException {
    String data, answer = "";
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    System.out.println("Enter any String : ");
    data = br.readLine();/*from w  ww. j a v  a2s .c  o  m*/
    char[] findupper = data.toCharArray();
    for (int i = 0; i < findupper.length; i++) {
        if (findupper[i] >= 65 && findupper[i] <= 91) // ascii value in between 65
                                                      // and 91 is A to Z
        {
            answer += findupper[i]; // adding only uppercase
        }
    }
    System.out.println("Answer : " + answer);
}