1-) Java - KELİMEYİ DOSYANIN İÇİNDE ARAR
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
if(jFileChooser1.showOpenDialog(this)==JFileChooser.APPROVE_OPTION)
{ try {
BufferedReader br=new BufferedReader(new FileReader(jFileChooser1.getSelectedFile().getAbsolutePath()));
String line =br.readLine();
int sayac=0;
while(line!=null){
int i=line.indexOf(jTextField1.getText());
if(i!=-1)
{ JOptionPane.showMessageDialog(rootPane,i+".karakter ",sayac+".satır",1); ;}
line=br.readLine();
sayac++; }
br.close();
} catch (FileNotFoundException ex) {
Logger.getLogger(hafta52.class.getName()).log(Level.SEVERE, null, ex);
} catch (IOException ex) {
Logger.getLogger(hafta52.class.getName()).log(Level.SEVERE, null, ex); }} }