Calculator in React Computer Science Worksheet

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Descriptionpackage com.chavviCalcExample;
import java.util.*;
/*
* chavvi calc calculator
*/
public class ChavviCalcExampleApp {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
Character command = ‘_’;
// loop until user quits
while (command != ‘q’) {
printMenu();
System.out.print(“Enter a command: “);
command = menuGetCommand(scan);
}
}
executeCommand(scan, command);
scan.close();
//
// menu functions
//
private static void printMenuLine() {
System.out.println(
}
“———————————————————-”
);
private static void printMenuCommand(Character command, String desc) {
System.out.printf(“%st%sn”, command, desc);
}
// prints the menu
public static void printMenu() {
printMenuLine();
System.out.println(“ChavviCalc”);
printMenuLine();
printMenuCommand(‘q’, “Quit”);
}
printMenuLine();
// get first character from input
private static Character menuGetCommand(Scanner scan) {
Character command = ‘_’;
String rawInput = scan.nextLine();
if (rawInput.length() > 0) {
}
}
rawInput = rawInput.toLowerCase();
command = rawInput.charAt(0);
return command;
// calculator functions
private static Boolean executeCommand(Scanner scan, Character command) {
Boolean success = true;
switch (command) {
case ‘q’:
System.out.println(“Thank you for using Chavvi Calc”);
break;
default:
}
}
}
System.out.println(“ERROR: Unknown commmand”);
success = false;
return success;

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Descriptionpackage com.chavviCalcExample; import java.util.*; /* * chavvi calc calculator */ public class ChavviCalcExampleApp { public static void main(String[] args) { Scanner scan = new Scanner(System.in); Character command = ‘_’; // loop until user quits while (command != ‘q’) { printMenu(); System.out.print(“Enter a command: “); command = menuGetCommand(scan); } } executeCommand(scan, command); scan.close(); // // menu functions // private static void printMenuLine() { System.out.println( } “———————————————————-” ); private static void printMenuCommand(Character command, String desc) { System.out.printf(“%st%sn”, command, desc); } // prints the menu public static void printMenu() { printMenuLine(); System.out.println(“ChavviCalc”); printMenuLine(); printMenuCommand(‘q’, “Quit”); } printMenuLine(); // get first character from input private static Character menuGetCommand(Scanner scan) { Character command = ‘_’; String rawInput = scan.nextLine(); if (rawInput.length() > 0) { } } rawInput = rawInput.toLowerCase(); command = rawInput.charAt(0); return command; // calculator functions private static Boolean executeCommand(Scanner scan, Character command) { Boolean success = true; switch (command) { case ‘q’: System.out.println(“Thank you for using Chavvi Calc”); break; default: } } } System.out.println(“ERROR: Unknown commmand”); success = false; return success; Purchase answer to see full attachment

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