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mcquerolmcquerol
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added JavaCalculator\src\com\mateo\main\CalcGUI.java
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‎JavaCalculator/src/com/mateo/main/CalcGUI.java

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package com.mateo.main;
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import javax.swing.JFrame;
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import javax.swing.JTextField;
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import com.mateo.main.Calculations.Operation;
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import javax.swing.JButton;
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import java.awt.event.ActionListener;
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import java.awt.event.ActionEvent;
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@SuppressWarnings("serial")
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public class CalcGUI extends JFrame {
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private JTextField textField;
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private Operation CURRENT_OP;
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int a;
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int b;
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public CalcGUI() {
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this.getContentPane().setLayout(null);
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this.setSize(500, 300);
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this.setVisible(true);
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textField = new JTextField();
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textField.setBounds(75, 13, 345, 22);
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getContentPane().add(textField);
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textField.setColumns(10);
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JButton btn7 = new JButton("7");
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btn7.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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textField.setText(textField.getText() + "7");
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}
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});
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btn7.setBounds(75, 48, 60, 25);
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getContentPane().add(btn7);
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JButton btn8 = new JButton("8");
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btn8.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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textField.setText(textField.getText() + "8");
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}
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});
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btn8.setBounds(147, 48, 60, 25);
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getContentPane().add(btn8);
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JButton btn9 = new JButton("9");
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btn9.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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textField.setText(textField.getText() + "9");
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}
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});
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btn9.setBounds(219, 48, 60, 25);
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getContentPane().add(btn9);
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JButton btn2 = new JButton("4");
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btn2.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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textField.setText(textField.getText() + "4");
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}
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});
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btn2.setBounds(75, 86, 60, 25);
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getContentPane().add(btn2);
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JButton btn5 = new JButton("5");
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btn5.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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textField.setText(textField.getText() + "5");
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}
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});
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btn5.setBounds(147, 86, 60, 25);
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getContentPane().add(btn5);
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JButton btn4 = new JButton("6");
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btn4.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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textField.setText(textField.getText() + "6");
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}
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});
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btn4.setBounds(219, 86, 60, 25);
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getContentPane().add(btn4);
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JButton btn1 = new JButton("1");
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btn1.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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textField.setText(textField.getText() + "1");
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}
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});
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btn1.setBounds(75, 124, 60, 25);
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getContentPane().add(btn1);
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JButton btn6 = new JButton("2");
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btn6.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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textField.setText(textField.getText() + "2");
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}
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});
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btn6.setBounds(147, 124, 60, 25);
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getContentPane().add(btn6);
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JButton btn3 = new JButton("3");
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btn3.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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textField.setText(textField.getText() + "3");
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}
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});
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btn3.setBounds(219, 124, 60, 25);
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getContentPane().add(btn3);
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JButton btn0 = new JButton("0");
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btn0.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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textField.setText(textField.getText() + "0");
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}
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});
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btn0.setBounds(147, 162, 60, 25);
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getContentPane().add(btn0);
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JButton btnplus = new JButton("+");
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btnplus.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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CURRENT_OP = Calculations.Operation.ADD;
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if (a == 0) {
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a = Integer.parseInt(textField.getText());
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textField.setText("");
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} else if (b == 0) {
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b = Integer.parseInt(textField.getText());
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textField.setText("");
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}
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System.out.println(a);
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System.out.println(b);
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}
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});
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btnplus.setBounds(298, 48, 60, 25);
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getContentPane().add(btnplus);
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JButton btnminus = new JButton("-");
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btnminus.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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CURRENT_OP = Calculations.Operation.SUBTRACT;
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if (a == 0) {
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a = Integer.parseInt(textField.getText());
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textField.setText("");
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} else if (b == 0) {
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b = Integer.parseInt(textField.getText());
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textField.setText("");
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}
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System.out.println(a);
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System.out.println(b);
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}
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});
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btnminus.setBounds(360, 48, 60, 25);
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getContentPane().add(btnminus);
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JButton btndivide = new JButton("÷");
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btndivide.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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CURRENT_OP = Calculations.Operation.DIVIDE;
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if (a == 0) {
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a = Integer.parseInt(textField.getText());
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textField.setText("");
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} else if (b == 0) {
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b = Integer.parseInt(textField.getText());
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textField.setText("");
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}
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System.out.println(a);
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System.out.println(b);
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}
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});
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btndivide.setBounds(360, 86, 60, 25);
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getContentPane().add(btndivide);
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JButton btnmultiply = new JButton("x");
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btnmultiply.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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CURRENT_OP = Calculations.Operation.MULTIPLY;
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if (a == 0) {
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a = Integer.parseInt(textField.getText());
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textField.setText("");
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} else if (b == 0) {
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b = Integer.parseInt(textField.getText());
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textField.setText("");
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}
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System.out.println(a);
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System.out.println(b);
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}
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});
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btnmultiply.setBounds(298, 86, 60, 25);
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getContentPane().add(btnmultiply);
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JButton btnequals = new JButton("=");
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btnequals.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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switch (CURRENT_OP) {
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case ADD:
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textField.setText(Integer.toString(Calculations.calculate(Calculations.Operation.ADD, a, b)));
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a = Calculations.calculate(Calculations.Operation.ADD, a, b);
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b = 0;
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break;
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case SUBTRACT:
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textField.setText(Integer.toString(Calculations.calculate(Calculations.Operation.SUBTRACT, a, b)));
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a = Calculations.calculate(Calculations.Operation.SUBTRACT, a, b);
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b = 0;
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break;
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case MULTIPLY:
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textField.setText(Integer.toString(Calculations.calculate(Calculations.Operation.MULTIPLY, a, b)));
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a = Calculations.calculate(Calculations.Operation.MULTIPLY, a, b);
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b = 0;
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break;
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case DIVIDE:
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textField.setText(Integer.toString(Calculations.calculate(Calculations.Operation.DIVIDE, a, b)));
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a = Calculations.calculate(Calculations.Operation.DIVIDE, a, b);
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b = 0;
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break;
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}
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}
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});
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btnequals.setBounds(298, 124, 60, 25);
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getContentPane().add(btnequals);
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}
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public static void main(String[] args) {
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System.setProperty("swing.defaultlaf", "com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
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javax.swing.SwingUtilities.invokeLater(new Runnable() {
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public void run() {
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new CalcGUI();
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}
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});
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}
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}

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