electricrain

i have been asked to make phone book console application in java using collections/data structure i have done some of it. i am having problem that i have to store firstname,lastname,cellnumber,emailaddress etc in such a way into collection so that if some one wants to search phone number from phonebook …

File file = new File("filename"); FileInputStream fis = new FileInputStream(file); len = (int)file.length(); //prepared stmt st.setBinaryStream(1, fis, len); I have uploaded the file into mysql database from servlet program. But how to read that file or tell me how to upload a doc into the database.

hello every one i am haveing problem in code i.e whenever i try to write in file it overwrite tthe previous one.I am using this code [code] File f=new File("c:\\paul.txt"); //f.createNewFile(); BufferedWriter br = new BufferedWriter(new FileWriter(f)); BufferedReader br1=new BufferedReader (new InputStreamReader(System.in)); FileReader fr=new FileReader(f); // FileWriter frt=new FileWriter(f); // …

hello i am trying to write in file and when ever i do this previous lines overwrites in file .i am trying this code File f=new File("c:\\paul.txt"); //f.createNewFile(); BufferedWriter br = new BufferedWriter(new FileWriter(f)); BufferedReader br1=new BufferedReader (new InputStreamReader(System.in)); FileReader fr=new FileReader(f); // FileWriter frt=new FileWriter(f); // BufferedReader brz=new BufferedReader(fr); …