public void write(){
        try {

			String content = "This is the content to write into file";

			File file = new File("123.txt");

			
			if (!file.exists()) {
				file.createNewFile();
			}

			FileWriter fw = new FileWriter(file,true);
                        
                        
			BufferedWriter bw = new BufferedWriter(fw);
			
                        bw.write(content);
			
                        
                        bw.close();

			System.out.println("Done");

		} catch (IOException e) {
                    System.out.println("file nt find");
                }
              
    }
    
    
    
    public void copy(){
        try {

			
			File file = new File("copy.txt");

			
			if (!file.exists()) {
				file.createNewFile();
			}

			FileWriter fw = new FileWriter(file,true);
                        FileReader fr = new FileReader("hi.txt");
                        BufferedReader br = new BufferedReader(fr);
			BufferedWriter bw = new BufferedWriter(fw);
			String line;
                        while ((line = br.readLine()) != null) {
			bw.write(line);
                        bw.newLine();
                        }
                        
                        br.close();
                        bw.close();
                        
			System.out.println("Done");

		} catch (IOException e) {
                    System.out.println("file nt find");
                }
        
    }