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Affichage des articles dont le libellé est java text file. Afficher tous les articles
Affichage des articles dont le libellé est java text file. Afficher tous les articles

Java Create And Write In Text File

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How To Create And Write In A Txt File Using Java NetBeans

create file in java
In this Java Tutorial we will see How To Create A Text File In A Specific Path And Write Into It Using Java NetBeans .


Project Source Code:

private void jButton_CreateWriteActionPerformed(java.awt.event.ActionEvent evt) {                                                    
       
        File file = new File("C:\\Users\\omar\\Desktop\\haha\\folder1\\myTextFile.txt");
        
        if(!file.exists())
        {
            try {
                file.createNewFile();
                FileWriter fw = new FileWriter(file.getAbsolutePath());
                BufferedWriter bw = new BufferedWriter(fw);
                bw.write("My Text Here");
                
                bw.close();
                fw.close();

            } catch (IOException ex) {
                Logger.getLogger(CreateFileAndWrite.class.getName()).log(Level.SEVERE, null, ex);
            }
        }else{
            System.out.println("File Already Exist");
        }
        
    }        

Java Import And Export Text File To JTable

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How To Get And Set Jtable Data To Txt File Using Java NetBeans

Export And Import Text File To JTable Using Java
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:

Set And Get Jtable Data To Txt File In Java


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