/*
 * Copyright (c) 1995, 2008, Oracle and/or its affiliates. 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 Oracle or 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.*;

public class Count {
    public static void countChars(InputStream in) throws IOException
    {
        int count = 0;

        while (in.read() != -1)
            count++;

        System.out.println("Counted " + count + " chars.");
    }

    public static void main(String[] args) throws Exception
    {
        if (args.length >= 1)
            countChars(new FileInputStream(args[0]));
        else
            System.err.println("Usage: Count filename");
    }
}

From: http://sitestree.com/?p=10877
Categories:Java
Tags:
Post Data:2017-07-20 20:24:24

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/*
 * Copyright (c) 1995, 2008, Oracle and/or its affiliates. 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 Oracle or 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.lang.*;
import java.security.*;
 
class GetProps {
 
    public static void main(String[] args) {
 
        /* Test reading properties w & w/out security manager */
         
        String s;
 
        try {
 
            System.out.println("About to get os.name property value");
 
            s = System.getProperty("os.name", "not specified");
            System.out.println("  The name of your operating system is: " + s);
 
            System.out.println("About to get java.version property value");
 
            s = System.getProperty("java.version", "not specified");
            System.out.println("  The version of the JVM you are running is: " + s);
 
            System.out.println("About to get user.home property value");
 
            s = System.getProperty("user.home", "not specified");
            System.out.println("  Your user home directory is: " + s);
 
            System.out.println("About to get java.home property value");
 
            s = System.getProperty("java.home", "not specified");
            System.out.println("  Your JRE installation directory is: " + s);
 
 
        } catch (Exception e) {
            System.err.println("Caught exception " + e.toString());
        }
 
    }
 
}

From: http://sitestree.com/?p=10875
Categories:Java
Tags:
Post Data:2017-07-20 19:06:43

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https://www.youtube.com/watch?feature=player_embedded&v=kmjm8DR62Qk From: http://sitestree.com/?p=2629
Categories:Java
Tags:Java
Post Data:2015-10-20 00:02:34

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https://www.youtube.com/watch?feature=player_embedded&v=0fTDGw1pZK0 From: http://sitestree.com/?p=2627
Categories:Java
Tags:Java
Post Data:2015-10-19 18:00:22

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https://www.youtube.com/watch?feature=player_embedded&v=jiJkapK8MLg From: http://sitestree.com/?p=2625
Categories:Java
Tags:Java
Post Data:2015-10-19 12:58:08

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https://www.youtube.com/watch?feature=player_embedded&v=aj5IDtSL6aM From: http://sitestree.com/?p=2623
Categories:Java
Tags:Java
Post Data:2015-10-19 06:56:40

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Some New Features in Java EE 6

1. Was focused in making the Java EE platform light weight and making the environment easier for the developers
2. Introduced new APIs such as WebBeans 1.0
3. Made servlet technologies to be more matured
4. Started to prune APIs that are not used much or not essential or better options are available or technologies have shifted. It’s also an effort to make the platform light weight
5. APIs under considerations for Pruning
   • JAX-RPC [Better option: JAX-WS]
   • EJB 2.x Entity Beans [Better option: POJO based JPA and EJB 3]
   • JAXR – the adoption was very limited
   • Java EE Application Deployment and Management : As did not get much vendor support
6. Introduced the concept of profiles. As the full Java EE stack may not be required for all applications, profiles use subsets of APIs geared towards a particular type of applications [making the stack lightweight].
7. Web profile contains the APIs: Webbeans 1.0, EJB 3.1 (Lite), EJB 3.1 (full), JPA 2.0, JTA 1.1
8. In Java EE 6, JPA is completely separated from EJB and has become distinct API in its own right

From: http://sitestree.com/?p=5296
Categories:Java Short Notes
Tags:
Post Data:2008-04-29 12:19:30

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