Build a class called Calculator that emulates basic functions of a calculator: add, subtract, multiply, divide, and clear. The class has one private member field, double value, for the calculator's current value. Implement the following Constructor and instance methods as listed below: public Calculator() - Constructor method to set the member field to 0.0 • public void add(double val) - add the parameter to the member field • public void subtract(double val) - subtract the parameter from the member field • public void multiply(double val) - multiply the member field by the parameter • public void divide(double val) - divide the member field by the parameter • public void clear() - set the member field to 0.0 • public double getValue() - return the member field Given two double input values num1 and num2, the program outputs the following values: 1. The initial value of the instance field, value 2. The value after adding num1 3. The value after multiplying by 3 4. The value after subtracting num2 5. The value after dividing by 2 6. The value after calling the clear() method Ex: If the input is: 10.0 5.0 the output is: 0.0 10.0 30.0 25.0 12.5 0.0
Build a class called Calculator that emulates basic functions of a calculator: add, subtract, multiply, divide, and clear. The class has one private member field, double value, for the calculator's current value. Implement the following Constructor and instance methods as listed below: public Calculator() - Constructor method to set the member field to 0.0 • public void add(double val) - add the parameter to the member field • public void subtract(double val) - subtract the parameter from the member field • public void multiply(double val) - multiply the member field by the parameter • public void divide(double val) - divide the member field by the parameter • public void clear() - set the member field to 0.0 • public double getValue() - return the member field Given two double input values num1 and num2, the program outputs the following values: 1. The initial value of the instance field, value 2. The value after adding num1 3. The value after multiplying by 3 4. The value after subtracting num2 5. The value after dividing by 2 6. The value after calling the clear() method Ex: If the input is: 10.0 5.0 the output is: 0.0 10.0 30.0 25.0 12.5 0.0
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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In java
![Build a class called Calculator that emulates basic functions of a calculator: add, subtract, multiply, divide, and clear. The class has one
private member field, double value, for the calculator's current value. Implement the following Constructor and instance methods as listed
below:
public Calculator() - Constructor method to set the member field to 0.0
public void add(double val) - add the parameter to the member field
public void subtract(double val) - subtract the parameter from the member field
public void multiply(double val) - multiply the member field by the parameter
• public void divide(double val) - divide the member field by the parameter
public void clear() - set the member field to 0.0
public double getValue() - return the member field
Given two double input values num1 and num2, the program outputs the following values:
1. The initial value of the instance field, value
2. The value after adding num1
3. The value after multiplying by 3
4. The value after subtracting num2
5. The value after dividing by 2
6. The value after calling the clear() method
Ex: If the input is:
10.0 5.0
the output is:
0.0
10.0
30.0
25.0
12.5
0.0](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc6373ccd-9d0a-435d-acf7-56ab3e8b17f8%2F7102b49f-af17-46a5-a5c5-5e34d065451f%2Fr9z5vfi_processed.png&w=3840&q=75)
Transcribed Image Text:Build a class called Calculator that emulates basic functions of a calculator: add, subtract, multiply, divide, and clear. The class has one
private member field, double value, for the calculator's current value. Implement the following Constructor and instance methods as listed
below:
public Calculator() - Constructor method to set the member field to 0.0
public void add(double val) - add the parameter to the member field
public void subtract(double val) - subtract the parameter from the member field
public void multiply(double val) - multiply the member field by the parameter
• public void divide(double val) - divide the member field by the parameter
public void clear() - set the member field to 0.0
public double getValue() - return the member field
Given two double input values num1 and num2, the program outputs the following values:
1. The initial value of the instance field, value
2. The value after adding num1
3. The value after multiplying by 3
4. The value after subtracting num2
5. The value after dividing by 2
6. The value after calling the clear() method
Ex: If the input is:
10.0 5.0
the output is:
0.0
10.0
30.0
25.0
12.5
0.0
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