This tutorial will teach you how to make a MilkBar Inventory Management System using Java step by step. This system will helpful you to learn Inventory Management System.
double sum = 0; if(chkst.isSelected()) { String item = "strawberry"; double qty; double cal; double price; qty = Double.parseDouble(txtSt.getText()); if(CboSt.getSelectedItem().equals("L")) { price = 200; cal = price * qty; } else if(CboSt.getSelectedItem().equals("ML")) { price = 200; cal = price * qty/1000; } else { price = 50; cal = price * qty; } model = (DefaultTableModel)jTable1.getModel(); model.addRow(new Object[] { item, qty, price, cal } ); } if(chkcho.isSelected()) { String item = "Cho"; double qty; double cal; double price; qty = Double.parseDouble(txtCho.getText()); if(CboSt.getSelectedItem().equals("L")) { price = 100; cal = price * qty; } else if(CboSt.getSelectedItem().equals("ML")) { price = 100; cal = price * qty/1000; } else { price = 40; cal = price * qty; } model = (DefaultTableModel)jTable1.getModel(); model.addRow(new Object[] { item, qty, price, cal } ); } if(chkven.isSelected()) { String item = "Venila"; double qty; double cal; double price; qty = Double.parseDouble(txtVal.getText()); if(CboSt.getSelectedItem().equals("L")) { price = 80; cal = price * qty; } else if(CboSt.getSelectedItem().equals("ML")) { price = 80; cal = price * qty/1000; } else { price = 30; cal = price * qty; } model = (DefaultTableModel)jTable1.getModel(); model.addRow(new Object[] { item, qty, price, cal } ); } for(int i=0; i<jTable1.getRowCount(); i++) { sum = sum + Double.parseDouble(jTable1.getValueAt(i, 3).toString()); } txtTot.setText(Double.toString(sum));
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