Common tools and Java common small function implementation __linux

Import Java.io.File;

Import java.util.*; public class Readjpg {public static void main (String args[]) throws exception{vector<string> path=new vector&lt ;
		
		 String> ();
		 File root = new file ("E:/project/hand/midea");
		  Getjpg (Root,path);
		try {//path= (vector<string>) getjpg (Root). Clone ();
		catch (Exception e) {//TODO auto-generated catch block E.printstacktrace ();
		  }//System.out.println (Path.size ());
		  for (int i=0;i<path.size (); i++) {System.out.println (Path.get (i));
	 }/*usage * Read all JPG in the dir * intput:file dir * output:vector<string> Path; * * */FINAL static vector<string> getjpg (File dir, vector<string> Path) throws exception{//Vect
		  
		  or<string> vecstr = new vector<string> ();
		  file[] fs = Dir.listfiles ();
		   for (int i=0; i<fs.length; i++) {String name=fs[i].getname (); if (Name.endswith ("jpg")) {Path.add (fs[i].geTabsolutepath (). toString ());
		   System.out.println (Fs[i].getabsolutepath (). toString ());
		     
		    } if (Fs[i].isdirectory ()) {try{getjpg (Fs[i],path);
		}catch (Exception e) {}}}//System.out.println (Vecstr.size ());
	 return Path; }
}

public class ReadLine {public static void main (string[] args) {//TODO auto-generated method stub int linenumber=2
		;
           File Sourcefile=new file ("E:\\forread.txt");
               System.out.println ("Hello wolrd");  
            	   try {readappointedlinenumber (sourcefile, linenumber);  
            	   
               System.out.println (Gettotallines (sourcefile));
               }catch (IOException e) {e.printstacktrace ();  
	        } static void Readappointedlinenumber (File sourcefile, int linenumber) throws IOException {  
	        FileReader in = new FileReader (sourcefile);  
	        LineNumberReader reader = new LineNumberReader (in);  
	        String s = ""; if (linenumber <= 0 | | | linenumber > Gettotallines (sourcefile)) {System.out.println ("not in the number of lines of a file (1 to Total rows) Within.  
	            ");  
	        System.exit (0);  
	        int lines = 0; while (s!= null){lines++;  
	            s = Reader.readline ();  
	                if ((lines-linenumber) = = 0) {System.out.println (s);  
	            System.exit (0);  
	        } reader.close ();  
	    In.close ();  
	    The total number of rows in the//file contents.  
	        static int gettotallines (file file) throws IOException {FileReader in = new FileReader (file);  
	        LineNumberReader reader = new LineNumberReader (in);  
	        String s = reader.readline ();  
	        int lines = 0;  
	            while (s!= null) {lines++;  
	            s = Reader.readline ();  
	                if (lines>=2) {if (s!=null) {System.out.println (s+ "$");  
	        }} reader.close ();  
	        In.close ();  
	    return lines; }  
}

Import java.io.*; 
		public class Readname {public static void main (string[] args) throws IOException {//TODO auto-generated method stub
		int linenumber=2;
		
		String filepath= "E:\\bedroom\\richard_gere\\1.2\\1\\9\\9.618.jpg";
		System.out.println (Getworkid (FilePath));
		System.out.println (Getworkidandsequene (FilePath));
           System.out.println (MatchName ("E:\\forread.txt", "3.456"));
      
	System.out.println ("Hello wolrd");  }/* FilePath format for e:\\bedroom\\richard_gere\\1.2\\1\\9\\9.618.jpg * Get WorkID from given FilePath * Return WorkID */static string Getworkid (String FilePath) {string workid=null
	    	;
	    	String []s=filepath.split ("\\\\");
	        int temp=s.length-2;
	    	
			WORKID=S[TEMP];
	    	
	    return workid; }/* FilePath format for e:\\bedroom\\richard_gere\\1.2\\1\\9\\9.618.jpg * * Get WorkID and Se Quence from Given FilePath * * RetuRN format for WorkID.
	    	Sequence */static string Getworkidandsequene (String filePath) {string workidandsequene=null;
	    	String []s1=filepath.split ("\\\\");
	    	
	    	int temp=s1.length-1;
	    	String []s2=s1[temp].split ("\."); workidandsequene=s2[0]+ "."
			+S2[1];
	    return workidandsequene;
	     /* * Split WorkID and Sequence
	     * WorkID format for workid.sequence;
	     * Query WorkID and result from txtfile FilePath; */static string MatchName (String filepath,string workidandsequence) throws ioexception{String Name=null  
	    	;
	    	String []s1=workidandsequence.split ("\.");
	    	String Workid=s1[0];
	    	System.out.println ("wordkid=" +s1[0]);
	    	FileReader in =new FileReader (FilePath); 
	    	LineNumberReader reader = new LineNumberReader (in);  
	    	String str = reader.readline ();
			
	    		while (str!=null) {String []temp=str.split ("\\\\");
	    
	if (Temp[4].equals (WorkID))    			NAME=TEMP[1];
	    	Break
	    	} reader.close ();
	    	In.close ();
	    return Name; }
}

Import Java.io.FileOutputStream;
Pulic class savestringtotxt{public
	void Main (string []args) {
		string str= "Hello wolrd";
		FileOutputStream out =null;
    try{
    out=new fileoutputstream ("D:\\iotest\dest.txt", true);//Specify folder life and storage path
     out.write (str);
	 Out.close ();
	}


public static void Save2txt (String str; String FilePath) {
	  fileoutputstream out=new fileoutputstream (filepath,true);
	  Out.write (str);
	  Out.close ();
}