Complete the following program in java to implement the user interface of the preceding exercise. For simplicity, only the units cm, m, and in are supported.
Complete the following program in java to implement the user interface of the preceding exercise. For simplicity, only the units cm, m, and in are supported.
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
Complete the following
![This is a Java program designed to convert units of measurement. Below is the detailed transcription of the code and an explanation of its functionality.
### UnitConverter.java
```java
import java.util.Scanner;
public class UnitConverter {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
boolean done = false;
double factor1 = 1;
double factor2 = 1;
String unit1 = "";
String unit2 = "";
while (!done) {
boolean getSecond = true;
System.out.print("From unit (in, cm, m, again, quit): ");
String command = in.next();
if (command.equals("in")) {
factor1 = 2.54; // Convert to cm
unit1 = command;
} else if (command.equals("cm")) {
// Add conversion logic here for cm
} else if (command.equals("m")) {
// Add conversion logic here for m
} else if (command.equals("again")) {
getSecond = false;
} else if (command.equals("quit")) {
done = true;
getSecond = false;
} else {
System.out.println("Sorry, unknown unit.");
getSecond = false;
}
if (getSecond) {
System.out.print("To unit: ");
unit2 = in.next();
if (unit2.equals("in")) {
factor2 = 2.54; // Convert from cm
} else {
// Add conversion logic here for other units
}
if (/* condition to check valid conversion */) { // Replace with actual condition
double value = in.nextDouble();
double result = value * factor1 / factor2;
System.out.println(value + " " + unit1 + " = " + result + " " + unit2);
}
}
}
}
}
```
### Explanation:
1. **Imports and Class Declaration**
```java
import java.util.Scanner;
public class UnitConverter {
```
- The program begins by importing the `Scanner` class for reading user inputs.
- The `UnitConverter` class is declared as public.
2. **Main Method**
```java
public static void main(String[] args) {
```
- The `main` method is the entry point of the program.
3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3200e892-7b83-4670-8aa5-c4c84f2a6adb%2F25a2ddfd-f7e4-4e7e-a07e-e4da18718477%2F6st533a.png&w=3840&q=75)
Transcribed Image Text:This is a Java program designed to convert units of measurement. Below is the detailed transcription of the code and an explanation of its functionality.
### UnitConverter.java
```java
import java.util.Scanner;
public class UnitConverter {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
boolean done = false;
double factor1 = 1;
double factor2 = 1;
String unit1 = "";
String unit2 = "";
while (!done) {
boolean getSecond = true;
System.out.print("From unit (in, cm, m, again, quit): ");
String command = in.next();
if (command.equals("in")) {
factor1 = 2.54; // Convert to cm
unit1 = command;
} else if (command.equals("cm")) {
// Add conversion logic here for cm
} else if (command.equals("m")) {
// Add conversion logic here for m
} else if (command.equals("again")) {
getSecond = false;
} else if (command.equals("quit")) {
done = true;
getSecond = false;
} else {
System.out.println("Sorry, unknown unit.");
getSecond = false;
}
if (getSecond) {
System.out.print("To unit: ");
unit2 = in.next();
if (unit2.equals("in")) {
factor2 = 2.54; // Convert from cm
} else {
// Add conversion logic here for other units
}
if (/* condition to check valid conversion */) { // Replace with actual condition
double value = in.nextDouble();
double result = value * factor1 / factor2;
System.out.println(value + " " + unit1 + " = " + result + " " + unit2);
}
}
}
}
}
```
### Explanation:
1. **Imports and Class Declaration**
```java
import java.util.Scanner;
public class UnitConverter {
```
- The program begins by importing the `Scanner` class for reading user inputs.
- The `UnitConverter` class is declared as public.
2. **Main Method**
```java
public static void main(String[] args) {
```
- The `main` method is the entry point of the program.
3
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