Thursday, 30 June 2016

Java Tutorial : Java Exception handling (The Try with resources statement)


Click here to watch in Youtube :
https://www.youtube.com/watch?v=NmAH9C2O9gg&list=UUhwKlOVR041tngjerWxVccw

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Java Tutorial : Java Exception handling (The Try with resources statement) 

Java Tutorial : Java Exception handling (The Try with resources statement) 
TryWithResourcesDemo.java
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;

public class TryWithResourcesDemo
{

    public static void main(String[] args) throws Exception
    {
        TryWithResourcesDemo tryWithResourcesDemo = new TryWithResourcesDemo();
        String firstLine = tryWithResourcesDemo.readFirstLineFromFile("myfile.txt");
        System.out.println("firstLine = "+firstLine);
            
    }

    public String readFirstLineFromFile(String path)
            throws IOException
    {
        try (BufferedReader br = new BufferedReader(new FileReader(
                path)))
        {
            return br.readLine();
        }
    }

}
Output
firstLine = Peter
FinallyDemo.java
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;

public class FinallyDemo
{

    public static void main(String[] args) throws IOException
    {
        FinallyDemo finallyDemo = new FinallyDemo();
        String firstLine = finallyDemo.readFirstLineFromFile("myfile.txt");
        System.out.println("firstLine = "+firstLine);

    }
    
    public String readFirstLineFromFile(String path)
            throws IOException
    {
        BufferedReader br = new BufferedReader(new FileReader(path));
        try
        {
            return br.readLine();
        }
        finally
        {
             if (br != null)
             {
                 br.close();
             }
        }
    }
}
Output
firstLine = Peter
Click the below link to download the code:
https://sites.google.com/site/javaee4321/java/ExceptionDemo_The_try_with_Resources_statement_App.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/ExceptionDemo_The_try_with_Resources_statement_App

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/4babce59a384cb4ab41f12b03cd7d11227a4b186/BasicJava/ExceptionDemo_The_try_with_Resources_statement_App/?at=master

See also:
  • All JavaEE Viedos Playlist
  • All JavaEE Viedos
  • All JAVA EE Links
  • Servlets Tutorial
  • All Design Patterns Links
  • JDBC Tutorial
  • Java Collection Framework Tutorial
  • JAVA Tutorial
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