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 public static String getFileName(String filePath)     {         File f = new File(filePath);         return f.getName();     }

This method is used to check that file is exist or not on your given path.  public static boolean getFileExist(String filePath)     {         File f = new File(filePath);         return f.exists();     }

 How to get file size in java code, example Now we are writing a very simple code for find the file size in java. Copy and paste this code in your java class. public static long getFileSize(String filePath)     {         File f = new File(filePath);         return f.length();     }

 Delete file in java code example Here we are describing how to delete file in java code example. Very simple code method is there. public boolean setDeleteFile(String filePath)     {         File f = new File(filePath);         return f.delete();     }

import java.applet.Applet; import java.awt.*; import java.net.MalformedURLException; import java.net.URL; public class ImageButton extends Canvas {     public ImageButton()     {         staticImage = null;         activeImage = null;         linkURL = null;         buttonUp = true;         mouseOver = false;     }     public ImageButton(Applet app, String toolType, int border)     {         staticImage = null;         activeImage = null;         linkURL = null;         buttonUp = true;         mouseOver = false;         this.app = app;         this.border = border;         this.toolType = toolType;         if(toolType.equalsIgnoreCase("View"))             setSize(25, 30);         else         if(toolType.equalsIgnoreCase("Draw"))             setSize(25, 30);         else         if(toolType.equalsIgnoreCase("Text"))             setSize(25, 30);     }     public void setLink(String link)     {         thisLink = link;

import java.io.PrintStream; public class Ruler extends Button {     public Ruler()     {         mid1 = 77;     }     public void init()     {         setBackground(Color.GRAY);     }     public void paint(Graphics g)     {         drawNum(g, 10, 520, 12, mid1, 1);         drawRuler(g, 10, 520, 8);     }     private void drawRuler(Graphics g, int left, int right, int level)     {         if(level < 1)         {             return;         } else         {             int mid = (left + right) / 2;             g.setColor(Color.BLUE);             g.drawLine(80, mid, 80 - level * 3, mid);             drawRuler(g, left, mid - 1, level - 1);             drawRuler(g, mid + 1, right, level - 1);             return;         }     }     private void drawNum(Graphics g, int left, int right, int level, int mid1, int i)     {         if(level < 1)             return;         char m[] = new char[10];         String c1 = (new Integer(i)).toString();   

How to convert Video to FLV for Flv Player public int compressVideioFLV(String inputVideo, String outputVidio) {         int returnCode = 0;         Process process;         try {             System.out.println("compressVideioFLV called");             System.out.println("inputVideo:"+inputVideo);             System.out.println("outputVidio:"+outputVidio);             String[] command = { "ffmpeg", "-i", inputVideo , "-ar", "22050", "-ab", "32","-f","flv","-s","422x252", outputVidio};             System.out.println("11:");             process = Runtime.getRuntime().exec(command);             System.out.println("after process FLV");             returnCode = process.waitFor();             System.out.println("returnCode FLV:"+returnCode);         } catch (IOException e) {             e.printStackTrace();         }