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dio-desafio-contador's Introduction

DIO | Desafio Contador

Programa básico para pegar dois parâmetros digitados pelo usuário, subtraí-los e imprimir a sequência numética resultante dentro de um laço for. Caso o segundo parâmetro seja menor que o primeiro lança uma exceção customizada

package edu.dio.desafio.contador;

import java.util.Scanner;


class ParametrosInvalidosException extends Exception {


  public ParametrosInvalidosException(String message) {
    super(message);
  }
  }  

public class ContadorPrograma {
  public static void main(String[] args) {
      Scanner terminal = new Scanner(System.in);
      System.out.println("Digite o primeiro parâmetro");
      int parametroUm = terminal.nextInt();
      System.out.println("Digite o segundo parâmetro");
      int parametroDois = terminal.nextInt();

    try {

        contar(parametroUm, parametroDois);

    } catch (ParametrosInvalidosException exception) {

        exception.printStackTrace();
    }


}

static void contar(int parametro1, int parametro2) throws ParametrosInvalidosException {

    if (parametro1 > parametro2)
        throw new ParametrosInvalidosException("O segundo parâmetro deve ser maior que o primeiro");

    int contador = parametro2 - parametro1;

    for (int i = 1; i <= contador; i++) {
        System.out.println("Imprimindo o número " + i);
    }

}
}

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