How to get file extension in java code example

-
Get file extension in java code example

public static String getFileExtension(String filePath)
    {
        File f = new File(filePath);
        String name = f.getName();
        int k = name.lastIndexOf(".");
        String ext = null;
        if(k != -1)
            ext = name.substring(k + 1, name.length());
        return ext;
    }

Comments

  1. AnonymousMay 27, 2011 at 12:17 AM

    Sir , Bahut acha post hai well sir aap AJAX ke bare post kyo nahi karta.

    Prashant Kumar

    ReplyDelete
  2. AnonymousMay 27, 2011 at 12:20 AM

    Sir, Ek aur baat puchni hai AJAX ka use kar ke "select Country dropdown automatically State name in dropdown & City Name in dropdown.

    Prashant Kumar

    ReplyDelete
  3. AnonymousAugust 7, 2011 at 11:41 PM

    But it is also good to check if '.' is last symbol in filename

    ReplyDelete

Post a Comment

Recent Post

Recent Posts Widget

Popular posts from this blog

Capture image from webcam java code, examples

-
import java.applet.Applet; import java.awt.BorderLayout; import java.awt.Component; import java.awt.Dimension; import java.awt.Frame; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.Image; import java.awt.Panel; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.awt.image.BufferedImage; import java.io.FileOutputStream; import java.net.MalformedURLException; import java.net.URL; import javax.media.Buffer; import javax.media.CaptureDeviceInfo; import javax.media.CaptureDeviceManager; import javax.media.Manager; import javax.media.MediaLocator; import javax.media.Player; import javax.media.control.FrameGrabbingControl; import javax.media.format.VideoFormat; import javax.media.util.BufferToImage; import javax.swing.JButton; import javax.swing.JComponent; import com.sun.image.codec.jpeg.JPEGCodec; import com.sun.image.codec.jpeg.JPEGE
Read more

Use of req.query, req.params and req.body in NODE JS

-
Image
I am writing this article for beginners. Because, at the time of learning node js, this is very confusing where and how we need to use req.query, req.params and req.body . I am going to explain these three req method below. 1.        Req.query 2.        Req.params 3.        Req.body Req.query: When request is coming in key and value pair, for example, if your URL looks like below URL http://localhost:3000/search?name=xyz&age=16 In the above URL, you can see that request is coming in key and value pair . First key is name and value is xyz, second key is age and value is 16. In the node js programing, if you want to parse this url then use req.query. Below is the code snippet to parse this URL. router.get('/search', function(req, res, next) {   var name = req.query.name;   console.log(`Name :  ${name}`)   var age = req.query.age;   console.log(`Age :  ${age}`)   res.send('Request has parsed see console');   }); Req.param
Read more

How to capture finger prints in java

-
Java code for capture finger prints. NBioBSPJNI.FIR_HANDLE hSavedFIR; hSavedFIR = bsp.new FIR_HANDLE(); bsp.Enroll(hSavedFIR, null); // Enroll bsp.Capture(hSavedFIR); // Capture // Get Text FIR if (bsp.IsErrorOccured() == false) { NBioBSPJNI.FIR_TEXTENCODE textSavedFIR; textSavedFIR = bsp.new FIR_TEXTENCODE(); bsp.GetTextFIRFromHandle(hSavedFIR, textSavedFIR); } // Get Binary FIR if (bsp.IsErrorOccured() == false) { NBioBSPJNI.FIR fullSavedFIR; fullSavedFIR = bsp.new FIR(); bsp.GetFIRFromHandle(hSavedFIR, fullSavedFIR); } You can capture both type in your database and file. 1)textFIR 2)BinaryFIR
Read more