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| package Endclass.demol1;
import javax.swing.*;
import java.awt.event.*;
import java.util.ArrayList;
public class AdvancedCalculator extends JFrame implements ActionListener {
private JButton[] numberButtons = new JButton[10];
private JButton addButton, subButton, mulButton, divButton, equalButton, clearButton;
private JButton powButton, sqrtButton, sinButton, cosButton, tanButton, historyButton;
private JTextField textField;
private String display = "";
private double tempFirst = 0;
private double tempSecond = 0;
private char operator;
private ArrayList<String> history = new ArrayList<>();
private JButton dotButton;
public AdvancedCalculator() {
createComponents();
setLayout(null);
setSize(300, 500);
setVisible(true);
setDefaultCloseOperation(EXIT_ON_CLOSE);
}
private void createComponents() {
textField = new JTextField();
textField.setBounds(50, 50, 200, 50);
add(textField);
addButton = new JButton("+");
subButton = new JButton("-");
mulButton = new JButton("*");
divButton = new JButton("/");
equalButton = new JButton("=");
clearButton = new JButton("C");
powButton = new JButton("^");
sqrtButton = new JButton("√");
sinButton = new JButton("sin");
cosButton = new JButton("cos");
tanButton = new JButton("tan");
historyButton = new JButton("History");
dotButton = new JButton(".");
dotButton.setBounds(150, 300, 50, 50);
add(dotButton);
dotButton.addActionListener(this);
addButton.setBounds(200, 250, 50, 50);
subButton.setBounds(200, 200, 50, 50);
mulButton.setBounds(200, 150, 50, 50);
divButton.setBounds(200, 100, 50, 50);
equalButton.setBounds(200, 300, 50, 50);
clearButton.setBounds(50, 100, 50, 50);
powButton.setBounds(50, 300, 50, 50);
sqrtButton.setBounds(50, 350, 100, 50);
sinButton.setBounds(150, 350, 100, 50);
cosButton.setBounds(50, 400, 100, 50);
tanButton.setBounds(150, 400, 100, 50);
historyButton.setBounds(100, 100, 100, 50);
add(addButton);
add(subButton);
add(mulButton);
add(divButton);
add(equalButton);
add(clearButton);
add(powButton);
add(sqrtButton);
add(sinButton);
add(cosButton);
add(tanButton);
add(historyButton);
for (int i = 1; i < 10; i++) {
numberButtons[i] = new JButton(String.valueOf(i));
numberButtons[i].setBounds(50 + ((i-1) % 3) * 50, 150 + ((i-1) / 3) * 50, 50, 50);
add(numberButtons[i]);
numberButtons[i].addActionListener(this);
}
numberButtons[0]=new JButton(String.valueOf(0));
numberButtons[0].setBounds(100,300,50,50);
add(numberButtons[0]);
numberButtons[0].addActionListener(this);
addButton.addActionListener(this);
subButton.addActionListener(this);
mulButton.addActionListener(this);
divButton.addActionListener(this);
equalButton.addActionListener(this);
clearButton.addActionListener(this);
powButton.addActionListener(this);
sqrtButton.addActionListener(this);
sinButton.addActionListener(this);
cosButton.addActionListener(this);
tanButton.addActionListener(this);
historyButton.addActionListener(this);
}
@Override
public void actionPerformed(ActionEvent e) {
for (int i = 0; i < 10; i++) {
if (e.getSource() == numberButtons[i]) {
display += i;
textField.setText(display);
return;
}
}
if (e.getSource() == addButton) {
tempFirst = Double.parseDouble(display);
operator = '+';
display = "";
} else if (e.getSource() == subButton) {
tempFirst = Double.parseDouble(display);
operator = '-';
display = "";
} else if (e.getSource() == mulButton) {
tempFirst = Double.parseDouble(display);
operator = '*';
display = "";
} else if (e.getSource() == divButton) {
tempFirst = Double.parseDouble(display);
operator = '/';
display = "";
} else if (e.getSource() == powButton) {
tempFirst = Double.parseDouble(display);
operator = '^';
display = "";
} else if (e.getSource() == sqrtButton) {
display = String.valueOf(Math.sqrt(Double.parseDouble(display)));
textField.setText(display);
history.add(display);
display = "";
} else if (e.getSource() == sinButton) {
display = String.valueOf(Math.sin(Math.toRadians(Double.parseDouble(display))));
textField.setText(display);
history.add(display);
display = "";
} else if (e.getSource() == cosButton) {
display = String.valueOf(Math.cos(Math.toRadians(Double.parseDouble(display))));
textField.setText(display);
history.add(display);
display = "";
} else if (e.getSource() == tanButton) {
display = String.valueOf(Math.tan(Math.toRadians(Double.parseDouble(display))));
textField.setText(display);
history.add(display);
display = "";
} else if (e.getSource() == equalButton) {
tempSecond = Double.parseDouble(display);
switch (operator) {
case '+':
display = String.valueOf(tempFirst + tempSecond);
break;
case '-':
display = String.valueOf(tempFirst - tempSecond);
break;
case '*':
display = String.valueOf(tempFirst * tempSecond);
break;
case '/':
display = String.valueOf(tempFirst / tempSecond);
break;
case '^':
display = String.valueOf(Math.pow(tempFirst, tempSecond));
break;
}
textField.setText(display);
history.add(display);
tempFirst = 0;
tempSecond = 0;
display = "";
} else if (e.getSource() == clearButton) {
textField.setText("");
display = "";
tempFirst = 0;
tempSecond = 0;
} else if (e.getSource() == historyButton) {
JOptionPane.showMessageDialog(this, String.join("\n", history));
}else if (e.getSource() == dotButton) {
if (!display.contains(".")) {
display += ".";
}
textField.setText(display);
}
}
public static void main(String[] args) {
new AdvancedCalculator();
}
}
|
