can anyone send me java code for mileage calculator using swing,arrays,iteration,objects,classes,methods,garba

Question

The ABC corporations has set out different rates for different vehicles.1-(vehicle engine size(cc))0-1000cc,1001-1500,1501-2000,2001=<.2-(Mileage rate-cents per kilometer) 38c\km,40c\km,45c\km,50c\km.

Also in the code please insert an image for the calculator.

Answer 1

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import java.awt.*;

import java.applet.*;

import java.awt.event.*;

public class Calculator extends Applet implements ActionListener{

char arr2[]=new char[5];

int i=0,j=0,flag=0;

int temp1=0,temp2=0,temp3=0;

private TextField txt1=new TextField();

private Button btn1=new Button("1");

private Button btn2=new Button("2");

private Button btn3=new Button("3");

private Button btn4=new Button("4");

private Button btn5=new Button("5");

private Button btn6=new Button("6");

private Button btn7=new Button("7");

private Button btn8=new Button("8");

private Button btn9=new Button("9");

private Button btn0=new Button("0");

private Button btn11=new Button("+");

private Button btn12=new Button("-");

private Button btn13=new Button("*");

private Button btn14=new Button("/");

private Button btn15=new Button("=");

public void init(){

setLayout(null);

}

public void paint(Graphics g){

//Color clr=new Color(Color.BLACK);

g.setColor(Color.black);

g.fillRect(50,50,180,300);

txt1.setBounds(60,60,160,30);

btn1.setBounds(60,110,30,30);

btn2.setBounds(120,110,30,30);

btn3.setBounds(180,110,30,30);

btn4.setBounds(60,160,30,30);

btn5.setBounds(120,160,30,30);

btn6.setBounds(180,160,30,30);

btn7.setBounds(60,210,30,30);

btn8.setBounds(120,210,30,30);

btn9.setBounds(180,210,30,30);

btn0.setBounds(60,260,30,30);

btn11.setBounds(120,260,30,30);

btn12.setBounds(180,260,30,30);

btn13.setBounds(60,310,30,30);

btn14.setBounds(120,310,30,30);

btn15.setBounds(180,310,30,30);

add(txt1);

add(btn1);

add(btn2);

add(btn3);

add(btn4);

add(btn5);

add(btn6);

add(btn7);

add(btn8);

add(btn9);

add(btn0);

add(btn11);

add(btn12);

add(btn13);

add(btn14);

add(btn15);

btn1.addActionListener(this);

btn2.addActionListener(this);

btn3.addActionListener(this);

btn4.addActionListener(this);

btn5.addActionListener(this);

btn6.addActionListener(this);

btn7.addActionListener(this);

btn8.addActionListener(this);

btn9.addActionListener(this);

btn0.addActionListener(this);

btn11.addActionListener(this);

btn12.addActionListener(this);

btn13.addActionListener(this);

btn14.addActionListener(this);

btn15.addActionListener(this);

}

public void actionPerformed(ActionEvent ae){

String str1=ae.getActionCommand();

if("1".equals(str1))

txt1.setText("1");

else if("2".equals(str1))

txt1.setText("2");

else if("2".equals(str1))

txt1.setText("2");

else if("3".equals(str1))

txt1.setText("3");

else if("4".equals(str1))

txt1.setText("4");

else if("5".equals(str1))

txt1.setText("5");

else if("6".equals(str1))

txt1.setText("6");

The above code is only frontend designed of calculator U need to do more work to enhance backend. If U further need any types of java code. just contact with me

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