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kishanrajput23kishanrajput23
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Merge pull request #243 from rajeshsh565/main
basic_calculator
2 parents c525d5e + 6e5e01b commit f1f8b2a

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‎Calculator-project/.classpath

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<attribute name="maven.pomderived" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources">
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<attributes>
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<attribute name="maven.pomderived" value="true"/>
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<attribute name="optional" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry excluding="**" kind="src" output="target/test-classes" path="src/test/resources">
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<attributes>
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<attribute name="maven.pomderived" value="true"/>
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<attribute name="test" value="true"/>
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<attribute name="optional" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="src" path="target/generated-sources/annotations">
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<attributes>
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<attribute name="optional" value="true"/>
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<attribute name="maven.pomderived" value="true"/>
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<attribute name="ignore_optional_problems" value="true"/>
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<attribute name="m2e-apt" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="src" output="target/test-classes" path="target/generated-test-sources/test-annotations">
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<attributes>
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<attribute name="optional" value="true"/>
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<attribute name="maven.pomderived" value="true"/>
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<attribute name="ignore_optional_problems" value="true"/>
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<attribute name="m2e-apt" value="true"/>
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<attribute name="test" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="output" path="target/classes"/>
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</classpath>

‎Calculator-project/.settings/org.eclipse.jdt.apt.core.prefs

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eclipse.preferences.version=1
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org.eclipse.jdt.apt.aptEnabled=false

‎Calculator-project/.settings/org.eclipse.jdt.core.prefs

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org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
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org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
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org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=ignore
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org.eclipse.jdt.core.compiler.processAnnotations=disabled
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org.eclipse.jdt.core.compiler.release=disabled
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org.eclipse.jdt.core.compiler.source=1.8

‎Calculator_frame.java

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import java.awt.*;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.awt.event.KeyEvent;
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import java.awt.event.KeyListener;
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import java.awt.event.WindowEvent;
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import java.awt.event.WindowListener;
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public class Calculator_frame extends Frame implements ActionListener
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{
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TextField tf;
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Label l1,l2;
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Button b1, b2, b3, b4, b5, b6, b7,b8, b9, b0, bA, bM, c, eq, bD, bS;
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String s = "";
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public Calculator_frame() {
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l1=new Label("Calculator X");
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l1.setBounds(100,30,100,30);
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l1.setFont(new Font("Verdana", Font.BOLD, 15));
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tf = new TextField();
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setSize(300,350);
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tf.setBounds(10, 60, 200, 30);
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tf.setText("0");
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tf.setEditable(false);
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b9 = new Button("9");
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b9.setBounds(10,90, 40, 40);
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b9.setActionCommand("b9");
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b9.addActionListener(this);
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b9.setBackground(Color.LIGHT_GRAY);
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b8 = new Button("8");
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b8.setBounds(50,90, 40, 40);
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b8.setActionCommand("b8");
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b8.addActionListener(this);
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b7 = new Button("7");
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b7.setBounds(90,90, 40, 40);
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b7.setActionCommand("b7");
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b7.addActionListener(this);
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b6 = new Button("6");
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b6.setBounds(10,130, 40, 40);
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b6.setActionCommand("b6");
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b6.addActionListener(this);
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b5 = new Button("5");
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b5.setBounds(50,130, 40, 40);
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b5.setActionCommand("b5");
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b5.addActionListener(this);
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b4 = new Button("4");
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b4.setBounds(90,130, 40, 40);
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b4.setActionCommand("b4");
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b4.addActionListener(this);
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b3 = new Button("3");
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b3.setBounds(10,170, 40, 40);
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b3.setActionCommand("b3");
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b3.addActionListener(this);
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b2 = new Button("2");
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b2.setBounds(50,170, 40, 40);
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b2.setActionCommand("b2");
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b2.addActionListener(this);
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b1 = new Button("1");
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b1.setBounds(90,170, 40, 40);
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b1.setActionCommand("b1");
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b1.addActionListener(this);
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b0 = new Button("0");
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b0.setBounds(10,210, 40, 40);
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b0.setActionCommand("b0");
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b0.addActionListener(this);
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eq = new Button("=");
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eq.setBounds(50,210, 80, 40);
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eq.setActionCommand("eq");
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eq.addActionListener(this);
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c = new Button("C");
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c.setBounds(130,90, 80, 40);
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c.setActionCommand("c");
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c.addActionListener(this);
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bA = new Button("+");
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bA.setBounds(130,130, 40, 40);
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bA.setActionCommand("bA");
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bA.addActionListener(this);
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bS = new Button("-");
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bS.setBounds(170,130, 40, 40);
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bS.setActionCommand("bS");
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bS.addActionListener(this);
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bM = new Button("X");
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bM.setBounds(130,170, 40, 40);
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bM.setActionCommand("bM");
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bM.addActionListener(this);
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bD = new Button("/");
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bD.setBounds(170,170, 40, 40);
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bD.setActionCommand("bD");
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bD.addActionListener(this);
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l2=new Label("Made By: Rajesh");
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l2.setBounds(10,250,250,40);
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add(l1);add(tf);add(b9);add(b8);add(b7);add(b6);add(b5);add(b4);add(b3);add(b2);add(b1);add(b0);add(eq);
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add(c);add(bA);add(bS);add(bM);add(bD);add(l2);
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addWindowListener(new WindowListener() {
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public void windowOpened(WindowEvent e) {}
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public void windowIconified(WindowEvent e) {}
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public void windowDeiconified(WindowEvent e) {}
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public void windowDeactivated(WindowEvent e) {}
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public void windowClosing(WindowEvent e) { dispose();}
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public void windowClosed(WindowEvent e) {}
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public void windowActivated(WindowEvent e) {}
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});
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addKeyListener(new KeyListener() {
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public void keyTyped(KeyEvent e) {
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char c=e.getKeyChar();
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switch(c)
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{
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case '1': s=s.concat("1");tf.setText(s);
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break;
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}
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}
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public void keyReleased(KeyEvent e) {}
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public void keyPressed(KeyEvent e) {}
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});
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setLayout(null);
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setVisible(true);
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}
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public int calcString(String a){
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String operators[]=a.split("[0-9]+");
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String operands[]=a.split("\\+|\\-|x|\\/",0);
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/*StringBuffer sb = new StringBuffer();
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for(int i = 0; i < operands.length; i++) {
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sb.append(operands[i]);
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}
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String str = sb.toString();
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System.out.println(str);*/
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int agregate = Integer.parseInt(operands[0]);
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for(int i=1;i<operands.length;i++){
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if(operators[i].equals("+"))
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agregate += Integer.parseInt(operands[i]);
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if(operators[i].equals("-"))
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agregate -= Integer.parseInt(operands[i]);
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if(operators[i].equals("x"))
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agregate *= Integer.parseInt(operands[i]);
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if(operators[i].equals("/"))
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agregate /= Integer.parseInt(operands[i]);
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}
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return agregate;
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}
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public void actionPerformed(ActionEvent e)
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{
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String c=e.getActionCommand();
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switch(c)
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{
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case "b0" :s=s.concat("0");tf.setText(s);
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break;
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case "b1" :s=s.concat("1");tf.setText(s);
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break;
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case "b2" :s=s.concat("2");tf.setText(s);
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break;
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case "b3" : s+="3";tf.setText(s);
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break;
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case "b4" : s=s.concat("4");tf.setText(s);
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break;
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case "b5" : s=s.concat("5");tf.setText(s);
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break;
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case "b6" : s=s.concat("6");tf.setText(s);
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break;
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case "b7" : s=s.concat("7");tf.setText(s);
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break;
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case "b8" : s=s.concat("8");tf.setText(s);
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break;
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case "b9" : s=s.concat("9");tf.setText(s);
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break;
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case "c" : tf.setText("0");s=new String("");
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break;
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case "eq" : s=Integer.toString(calcString(s));tf.setText(s);s=new String("");
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break;
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case "bA" : s=s.concat("+");tf.setText(s);
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break;
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case "bS" : s=s.concat("-");tf.setText(s);
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break;
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case "bD" : s=s.concat("/");tf.setText(s);
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break;
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case "bM" : s=s.concat("x");tf.setText(s);
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}
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}
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public static void main(String[] args)
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{
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new Calculator_frame();
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}
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}

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