Admin: 1 версия

2010-06-01T06:04:11Z

1 версия

в 18:01, 31 мая 2010

2010-05-31T18:01:43Z

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== Create BufferedReader from InputStreamReader ==



<source lang="java">

/*
* Copyright (c) 1995 - 2008 Sun Microsystems, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Sun Microsystems nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class Standard {
public static void main(String args[]) throws IOException {
BufferedReader cin = new BufferedReader(new InputStreamReader(System.in));
String number;
int total = 0;
while ((number = cin.readLine()) != null) {
try {
total += Integer.parseInt(number);
} catch (NumberFormatException e) {
System.err.println("Invalid number in input");
System.exit(1);
}
}
System.out.println(total);
}
}

</source>



== Create BufferedReader from InputStreamReader and read line by line ==



<source lang="java">

import java.io.BufferedReader;
import java.io.InputStreamReader;
class ReadConsole {
public static void main(String args[]) throws Exception {
InputStreamReader isr = new InputStreamReader(System.in);
BufferedReader br = new BufferedReader(isr);
String s;
while ((s = br.readLine()) != null) {
System.out.println(s.length());
}
isr.close();
}
}

</source>



== Create BufferedReader from InputStreamReader and URL ==



<source lang="java">

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
public class Main {
public static void main(String[] args) throws Exception {
URL myURL = new URL("http://www.google.ru");
BufferedReader so = new BufferedReader(new InputStreamReader(myURL.openStream()));
while (true) {
String output = so.readLine();
if (output != null) {
System.out.println(output);
} else {
break;
}
}
so.close();
}
}

</source>



== Deal with Keyboard Input with BufferedReader ==



<source lang="java">

import java.io.BufferedReader;
import java.io.InputStreamReader;
public class Main {
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();
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);
}
}

</source>



== Reading ISO Latin-1 Encoded Data ==



<source lang="java">

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStreamReader;
public class Main {
public static void main(String[] argv) throws Exception {
BufferedReader in = new BufferedReader(new InputStreamReader(new FileInputStream("infilename"),
"8859_1"));
String str = in.readLine();
System.out.println(str);
}
}

</source>

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Admin: 1 версия

в 18:01, 31 мая 2010