Java

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table.getModel().addTableModelListener(new TableModelListener() {

        	  public void tableChanged(TableModelEvent e) {
        		  if (e.getType() == TableModelEvent.UPDATE)
        	        {
        	           //int row = e.getFirstRow();
        	            int column = e.getColumn();

        	            if (column == 2 )
        	            {
        	                //TableModel model = table.getModel();
        	            	
        	                pricetext.setText(Integer.toString(calculatesum()));
        	                
        	            }
        	          
        	        }
                        textsearch.grabFocus();
        	        textsearch.requestFocus();
        		  
        	  }
        	  
        	  
        	});

public  int calculatesum(){
        int total=0; 
             for(int i=0;i<table.getRowCount();i++){
                 
                  
            
                   int  amount = Integer.parseInt((String)table.getValueAt(i, 2).toString());
                   int amprice = Integer.parseInt((String)table.getValueAt(i, 3).toString());
                   total=total+(amount*amprice);
                     
            
            }
             
             return total;
             
    }

private void buttonsearchActionPerformed(java.awt.event.ActionEvent evt) {                                             

        conn = DatabaseConnection.dbConnection();
        try {
                    String Sql="select idp,nomp,prix,stock from produit where codep='" + textsearch.getText() + "'";
                    pst = conn.prepareStatement(Sql);


            ResultSet rs = pst.executeQuery();
            
            Object[] columns = {"Id Produit", "Nom Produit", "Quantité", "Prix", "Stock"};
        
            Object[] row = new Object[5];
            if (rs.next()){
            row[0] = rs.getInt("idp");
            row[1] = rs.getString("nomp");
            row[2] = 1;
            row[3] = rs.getString("prix");
            row[4] = rs.getString("stock");
           
            DefaultTableModel model = (DefaultTableModel) table.getModel();
            model.addRow(row);}
            //table.repaint();
            
            calculatesum();
            pricetext.setText(Integer.toString(calculatesum()));

          
             
            

        } catch (Exception e) {

            JOptionPane.showMessageDialog(null, e);

        }
        


                    

    }             

Im working on a programme on cloudsim using java eclisps, its about Genitique algorithme 

with algorithme bees life, the question is can any one help  me on that please. I have worked on may algorithme like pso, rond robin..