Write a class RangeInput that allows users to enter a value within a range of values that is provided in the constructor. An example would be a temperature control switch in a car that allows inputs between 60 and 80 degrees Fahrenheit. The input control has “up” and “down” buttons. Provide up and down methods to change the current value. The initial value is the midpoint between the limits. As with the preceding exercises, use Math.min and Math.max to limit the value. Write a sample program that simulates clicks on controls for the passenger and driver seats.Please ensure that it works with the test class provided. 1011public class RangeInput{1213private int currentValue;14private int highValue;15private int lowValue;1617public RangeInput(int high, int low){18// this is the constructor19// your code here202122public vsoid up(){// this is a mutator method232425// that increases currentValue if allowed26// your code here2728// imagine high vlaue is 50 and currentValue is 402930313233}3435public void down () {36// this is a mutator method37// that decreases currentValue if allowed38// your code here394041424344}4546public int getCurrentValue (){47// this is an accessor method48// your code here4950}51525354} public class RangeInputTester{public static void main(String[] args){RangeInput myInput = new RangeInput (30,20);System.out.println("current value: " + myInput.getCurrentValue ());for (int i=0;i<4;i++){myInput.up();}System.out.println("new value: "+ myInput.getCurrentValue ());for (int i=0;i<50;i++){myInput.down();}System.out.println("last value:" + myInput.getCurrentValue ());}}

Answered: Write a class RangeInput that allows…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Write a class RangeInput that allows users to enter a value within a range of values that is provided in the constructor. An example would be a temperature control switch in a car that allows inputs between 60 and 80 degrees Fahrenheit. The input control has “up” and “down” buttons. Provide up and down methods to change the current value. The initial value is the midpoint between the limits. As with the preceding exercises, use Math.min and Math.max to limit the value. Write a sample program that simulates clicks on controls for the passenger and driver seats.

Please ensure that it works with the test class provided.

10
11
public class RangeInput{
12
13
private int currentValue;
14
private int highValue;
15
private int lowValue;
16
17
public RangeInput(int high, int low){
18
// this is the constructor
19
// your code here
20
21
22
public vsoid up(){
// this is a mutator method
23
24
25
// that increases currentValue if allowed
26
// your code here
27
28
// imagine high vlaue is 50 and currentValue is 40
29
30
31
32
33
}
34
35
public void down () {
36
// this is a mutator method
37
// that decreases currentValue if allowed
38
// your code here
39
40
41
42
43
44
}
45
46
public int getCurrentValue (){
47
// this is an accessor method
48
// your code here
49
50
}
51
52
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54
}

public class RangeInputTester{
public static void main(String[] args){
RangeInput myInput = new RangeInput (30,20);
System.out.println("current value: " + myInput.getCurrentValue ());
for (int i=0;i<4;i++){
myInput.up();
}
System.out.println("new value: "
+ myInput.getCurrentValue ());
for (int i=0;i<50;i++){
myInput.down();
}
System.out.println("last value:
" + myInput.getCurrentValue ());
}
}

Expert Solution

Step 1

Given

The answer is given below.

CODE:-

import java.util.Scanner;

class RangeInput

{

static int lower,upper,current;

public RangeInput(int lower,int upper)

{

lower = lower;

upper = upper;

current = (upper-lower) / 2;

}

public static void input()

{

Scanner sc = new Scanner(System.in);

System.out.println("Enter temperature between %d and %d:",lower,upper);

int temp = sc.nextInt();

if(temp >= lower && temp <=upper)

current = temp;

else

System.out.println("Invalid temperature");

}

public static void up()

{

if(current < Math.max(upper,lower))

current++;

else

System.out.println("Reached Maximum");

}

public static void down()

{

if(current > Math.min(upper,lower))

current--;

else

System.out.println("Reached Minimum");

}

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