JAVA EE: Java Tutorial : Java Exception handling (Try with resources)

Thursday, 30 June 2016

Java Tutorial : Java Exception handling (Try with resources)

Click here to watch in Youtube :
https://www.youtube.com/watch?v=95Cr46hO52M&list=UUhwKlOVR041tngjerWxVccw

Click the below Image to Enlarge

Java Tutorial : Java Exception handling (Try with resources)

ExceptionHandlingDemo.java

import java.io.FileInputStream;
import java.io.IOException;

public class ExceptionHandlingDemo
{

    public static void main(String[] args)
    {
        FileInputStream fileInputStream = null;
        try
        {
            fileInputStream = new FileInputStream("myfile.txt");
            int data = fileInputStream.read();
            while (data != -1)
            {
                System.out.print((char) data);
                data = fileInputStream.read();
            }
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }
        finally
        {
            if (fileInputStream != null)
            {
                try
                {
                    fileInputStream.close();
                }
                catch (IOException e)
                {
                    e.printStackTrace();
                }
            }
        }

    }
}

Output
Hi

TryWithResourcesDemo.java

import java.io.FileInputStream;
import java.io.IOException;

public class TryWithResourcesDemo
{

    public static void main(String[] args) throws IOException
    {
        try (FileInputStream fileInputStream = new FileInputStream("myfile.txt"))
        {
            int data = fileInputStream.read();
            while (data != -1)
            {
                System.out.print((char) data);
                data = fileInputStream.read();
            }
        }

    }

}