Java Import And Export Text File To JTable
How To Get And Set Jtable Data To Txt File Using Java NetBeans
In this Java Tutorial we will see How To Import Text From Text File And Set It Into JTable Rows & Export JTable Rows Data To A Txt File Using FileWriter + BufferedWriter + FileReader In Java NetBeans .
Project Source Code:
// button to export data to text file
private void jButtonExportActionPerformed(java.awt.event.ActionEvent evt) {
String filePath = "C:\\Users\\omar\\Desktop\\myfolder\\txtfile.txt";
File file = new File(filePath);
try {
FileWriter fw = new FileWriter(file);
BufferedWriter bw = new BufferedWriter(fw);
for(int i = 0; i < jTableExport.getRowCount(); i++){//rows
for(int j = 0; j < jTableExport.getColumnCount(); j++){//columns
bw.write(jTableExport.getValueAt(i, j).toString()+" ");
}
bw.newLine();
}
bw.close();
fw.close();
} catch (IOException ex) {
Logger.getLogger(JTable_import_and_export_to_text_file.class.getName()).log(Level.SEVERE, null, ex);
}
}
// button to import data from text file
private void jButtonImportActionPerformed(java.awt.event.ActionEvent evt) {
String filePath = "C:\\Users\\omar\\Desktop\\myfolder\\txtfile.txt";
File file = new File(filePath);
try {
FileReader fr = new FileReader(file);
BufferedReader br = new BufferedReader(fr);
DefaultTableModel model = (DefaultTableModel)jTableImport.getModel();
Object[] lines = br.lines().toArray();
for(int i = 0; i < lines.length; i++){
String[] row = lines[i].toString().split(" ");
model.addRow(row);
}
} catch (FileNotFoundException ex) {
Logger.getLogger(JTable_import_and_export_to_text_file.class.getName()).log(Level.SEVERE, null, ex);
}
}
OutPut:
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