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- package xxfireboomxx;
- import java.util.Scanner;
- public class Main {
- public static void main(String[] args) {
- Scanner input = new Scanner(System.in);
- System.out.println("Изберете едно от следните действия: ");
- System.out.println("1 - Калкулатор");
- System.out.println("2 - Триъгълници");
- System.out.println("3 - Интервали");
- int menuNumber = input.nextInt();
- if (menuNumber == 1){
- //Calculator
- System.out.println("Изберете операция за калкулатора - (+, -, *, /, ^)");
- char operation = input.next().charAt(0);
- System.out.println("Въведете 2 числа: ");
- double firstNumber = input.nextDouble();
- double secondNumber = input.nextDouble();
- switch (operation){
- case '+': System.out.println(firstNumber + " + " + secondNumber + " = " + (firstNumber + secondNumber));
- break;
- case '-': System.out.println(firstNumber + " - " + secondNumber + " = " + (firstNumber - secondNumber));
- break;
- case '*': System.out.println(firstNumber + " * " + secondNumber + " = " + (firstNumber * secondNumber));
- break;
- case '/': System.out.println(firstNumber + " / " + secondNumber + " = " + (firstNumber / secondNumber));
- break;
- case '^': System.out.println(firstNumber + " ^ " + secondNumber + " = " + (Math.pow(firstNumber, secondNumber)));
- default: System.out.println("Въвели сте невалидна информация!");
- }
- }else if(menuNumber == 2){
- //Triangle
- System.out.println("Въведете 2 числа: ");
- double firstNumber = input.nextDouble();
- double secondNumber = input.nextDouble();
- double c = Math.pow(firstNumber, 2) + Math.pow(secondNumber, 2);
- if(Math.pow(c, 2) > c){
- System.out.println("Ъгълът е остър!");
- }else if(Math.pow(c, 2) == c){
- System.out.println("Ъгълът е прав!");
- }else System.out.println("Ъгълът е тъп!");
- }else if(menuNumber == 3){
- //Intervals
- System.out.println("Въведете двете граници на интервала: ");
- double firstInterval = input.nextDouble();
- double secondInterval = input.nextDouble();
- System.out.println("Въведете числото, което искате да проверите: ");
- double numberOfInterval = input.nextDouble();
- if (firstInterval < numberOfInterval && numberOfInterval < secondInterval){
- System.out.println("Числото ви е в интервала!");
- }else if(numberOfInterval <= firstInterval || firstInterval <= secondInterval){
- System.out.println("Числото ви е извън интервала!");
- }else {System.out.println("ERROR");}
- }else System.out.println("Няма такова действие!");
- }
- }
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