Hello,
I have a calculator that has a set of memory buttons that I want to store the result of a calculation in..
Here is the code:
ActionListener memPadListener = new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
String memOperator = e.getActionCommand();
double numForMem = 0.0;
if (memOperator.equals("M+")) {
numForMem = Double.valueOf(calDisplay.getText());
actionClear();
} else if (memOperator.equals("M-")) {
} else if (memOperator.equals("MR")) {
String numForMemToDisplay = Double.toString(numForMem);
calDisplay.setText(numForMemToDisplay);
} else if (memOperator.equals("MC")) {
numForMem = 0.0;
actionClear();
}
}
};
JPanel memPadPanel = new JPanel(new GridLayout(4, 1, 1, 1));
String[] memPad = { "MR", "MC", "M+", "M-" };
for (int i = 0; i < memPad.length; i++) {
JButton memButton = new JButton(memPad[i]);
memButton.addActionListener(memPadListener);
memPadPanel.add(memButton);
}
insideCalPanel.add(memPadPanel, BorderLayout.WEST);
}
But when I try and retrieve the value that is stored in memory, it returns just 0
Any suggestions please?