RandomAccessFile Help Programming Software Development by bulger2503 Is there a way to add data into a RandomAccessFile using seek(long) without writing over the data at that …: [code] public static void main(String[] args) throws Exception { RandomAccessFile raf = new RandomAccessFile("test.txt", "rw"); raf.writeBytes… RandomAccessFile Programming Software Development by KimJack … not sure how to get them to read from a Randomaccessfile into an array and from an array back to a… randomaccessfile. [code] /** Writes a savings account record to the data file @… Re: RandomAccessFile Help Programming Software Development by bulger2503 Sorry I should have mentioned that I am required to use a RandomAccessFile and to update the file data each time the HashMap is changed ie. adding a new entry or removing an entry from the file. It's just an annoying assignment that has hardly any real-world application. RandomAccessFile remove spesific part of the file Programming Software Development by dave_t Hi! How can i remove from a file a spesific line which includes "abc" string by using RandomAccessFile libary? Thanks Little help with RandomAccessFile Programming Software Development by VinceAshbySmith … rest of the data. [CODE] public void writeData(){ try { RandomAccessFile raf = new RandomAccessFile("test.xml", "rw"); String text… Help Randomize through a randomAccessFile Programming Software Development by Sekhrian … a random word from the txt file? [CODE]try{ RandomAccessFile raf = new RandomAccessFile("Words.txt", "rw"); guessme = "… Java Random Access File... Help Programming Software Development by Bouras …else { // open file try { output = new RandomAccessFile( fileName, "rw" ); enterButton.setEnabled( true…); writeName( file, getTeam() ); } private void writeName( RandomAccessFile file, String name ) throws IOException { StringBuffer buffer = null… Random Acces Helppppppp Programming Software Development by Bouras …0', ' ' ); } // write a record to specified RandomAccessFile public void write( RandomAccessFile file ) throws IOException { file.writeInt( getTeamid() ); writeName( …file, getTeam() ); } private void writeName( RandomAccessFile file, String name ) throws IOException { StringBuffer buffer = null; if… Why do I get these symbols when im trying to save data in txt Programming Software Development by rayden150 …jbBucar_AMouseClicked SEVERE: null java.io.EOFException at java.io.RandomAccessFile.readChar(RandomAccessFile.java:695) at rent_autos.Autos.leerCadena(Autos.java:… iPosicion, String sRuta){ boolean bRealizado = true; try { RandomAccessFile fRegistro = new RandomAccessFile(sRuta,"rw"); fRegistro.seek(iPosicion); codigo = fRegistro… My own archive format Programming Software Development by BDev338 …new byte[(int)src.length()]; RandomAccessFile outputStr = new RandomAccessFile(dst, "rw"); RandomAccessFile inputStr = new RandomAccessFile(src, "rw"….dat"); dataFile.delete(); dataFile.createNewFile(); RandomAccessFile mainOutStr = new RandomAccessFile(dataFile, "rw"); mainOutStr.seek(blockId… Re: My own archive format Programming Software Development by BDev338 …new byte[(int)src.length()]; RandomAccessFile outputStr = new RandomAccessFile(dst, "rw"); RandomAccessFile inputStr = new RandomAccessFile(src, "rw"….dat"); dataFile.delete(); dataFile.createNewFile(); RandomAccessFile mainOutStr = new RandomAccessFile(dataFile, "rw"); mainOutStr.seek(blockId… Need help resolving errors for a simple program Programming Software Development by thejunkie …int size; private Record data; private RandomAccessFile input; private RandomAccessFile output; //constructor public Enrol(){ database…arrival=new String(arrivalarray); } public void write(RandomAccessFile file)throws IOException { StringBuffer namebuffer, qtybuffer, … Re: Overwriting the text in the file Programming Software Development by ronpar2584 …("Writing error message in the java file"); RandomAccessFile writeObj = new RandomAccessFile(args[0]+"/"+arr[i],"rwd"…("Writing error message in the java file"); RandomAccessFile writeObj = new RandomAccessFile(args[0]+"/"+arr[i],"rwd"… Hash Table---Urgent Help needed! Programming Software Development by scream2ice …; File filename1=new File("D:\\b.txt"); RandomAccessFile file=new RandomAccessFile(filename1,"rw");//readwrite File filename2=new File…("D:\\c.txt"); RandomAccessFile file2=new RandomAccessFile(filename2,"rw"); protected EqualityTester T; // the equality… Re: Need help resolving errors for a simple program Programming Software Development by thejunkie …int size; private Record data; private RandomAccessFile input; private RandomAccessFile output; //constructor public Enrol(){ database…arrival=new String(arrivalarray); } public void write(RandomAccessFile file)throws IOException { StringBuffer namebuffer, usernamebuffer, … Re: hashing and using an external file Programming Software Development by rhaylee …file // Return the string to the caller private String readString (RandomAccessFile file, int strLength) throws IOException { char[] chs = … record from the file */ import java.io.*; import java.io.RandomAccessFile; public class RandomFile { public static void main( String args[] … Re: Why do I get these symbols when im trying to save data in txt Programming Software Development by JamesCherrill You seem to be using methods like writeInt, writeDouble on a RandomAccessFile. These methods write the data in its internal binary format, so you would expect to see garbage if you try to view those bytes as text. hashing and using an external file Programming Software Development by rhaylee …store the students’ information by using Java RandomAccessFile class. Assumptions: The data structure is … the insert method is: public int insert (RandomAccessFile file, Record rec) It returns 0 for successful…a new record Public Methods: public void read (RandomAccessFile file) – to retrieve the name and id … Re: Overwriting the text in the file Programming Software Development by ronpar2584 …of the java files //******************************************************************************************** { RandomAccessFile raf = null; //To …arr[i],true); RandomAccessFile writeObj = new RandomAccessFile(args[0]+"/&…java file"); RandomAccessFile writeObj = new RandomAccessFile(args[0]+"… Negative Seek Offset Programming Software Development by curtissumpter … (new String(ch).replace('\0', ' ')); } public void write(RandomAccessFile f) throws IOException { f.writeInt(getRecordNumber()); writeString(f, getToolName());…f.writeInt(getQuantity()); f.writeDouble(getPrice()); } public void writeString(RandomAccessFile f, String str) throws IOException { StringBuffer buf; if… Huffman Programming Software Development by mostafanageeb …] [CODE]import java.io.IOException; import java.io.RandomAccessFile; import java.util.ArrayList; import java.util.Stack;… public class Compressor { Compressor(RandomAccessFile source,RandomAccessFile destination) throws IOException { RandomAccessFile file = source; StringBuffer input=new StringBuffer(); … logic error with homemade hash table Programming Software Development by theABCasian …; import java.io.IOException; import java.io.RandomAccessFile; import java.util.Scanner; public class MyParcer …the line. */ public static MyHashTable getTable() { RandomAccessFile raf = null; MyHashTable readIn = new MyHashTable(); try…import java.io.IOException; import java.io.RandomAccessFile; import java.util.Hashtable; import java… Simple Columnar Encryption problem! Programming Software Development by mandy011 … suggest me if any idea [code] public static void encrypt(RandomAccessFile f,RandomAccessFile d,int columns) throws Exception { d.seek(10); // SEEK….write(f.read()); } } //DECRYPTION FUNCTION public static void decrypt(RandomAccessFile f,RandomAccessFile d,int columns) throws Exception { f.seek(10); int rows… Illegal start of expression public static Programming Software Development by RinzLove … count ++; } } public static void save_data() throws Exception { RandomAccessFile fo = new RandomAccessFile("forder.dat","rw"); fo.writeInt… } } public static void retrieve_data() throws Exception { RandomAccessFile fo = new RandomAccessFile("forder.dat","rw"); count = … Re: hashing and using an external file Programming Software Development by rhaylee …} } catch(IOException ioe) { return -2; } } return -1; } public boolean search(RandomAccessFile file, String id) { int recordId = Integer.parseInt(id); int hashedId… help needed 3 errors Programming Software Development by fastmike … rid of it.. [code] import java.io.RandomAccessFile; import java.io.IOException; import java.util.StringTokenizer…args[ 0 ] ); } public routing( String inFile ){ try{ RandomAccessFile file = new RandomAccessFile( inFile, "rw" ); String tmp = file.readLine();… HELP!! Programming Software Development by retrob89 …: 1. Adding data to an instance of the RandomAccessFile class by direct manipulation of the file pointer using…method 2. Deleting data from an instance of the RandomAccessFile class by direct manipulation of the file pointer using…. Searching for specified data in an instance of the RandomAccessFile class. 4. Recursion 5. Merging two or more … Help with Java Address Book Programming Software Development by guerrund … + STATE_SIZE + RECORDNUM_SIZE + ZIP_SIZE); // Access address.dat using RandomAccessFile private RandomAccessFile raf; // Text fields private JTextField jtfName = new JTextField(NAME_SIZE);…or create a random access file try { raf = new RandomAccessFile("address.dat", "rw"); } catch(… JAVA:How to write data in a new line in a particular text file? Programming Software Development by cristine.apin … particular text file? Is there any particular method in the RandomAccessFile class in java that is capable of handling such thing…(); str = str.trim(); File file = new File(str); try{ RandomAccessFile rand = new RandomAccessFile (file, "rw"); rand.seek(file.length()); rand… infile outfile help Programming Software Development by kesh1000 …FileNotFoundException; import java.io.IOException; import java.io.RandomAccessFile; import java.io.*; class customers{ private String cus_id…cus_add; private String cus_email; private RandomAccessFile raf; public customers(){ try { raf = new RandomAccessFile("Pass.dat", "…