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  1. import java.io.*;
  2.  
  3. class Program {
  4. 	public static void main (String[] args) throws java.lang.Exception {
  5. 		System.out.println(lerInt());
  6. 	}
  7. 	public static int lerInt() {
  8. 		BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
  9.         while (true) {
  10. 		    try {
  11. 		        return Integer.parseInt(input.readLine());
  12. 		    } catch (IOException e) {
  13. 		        System.out.println("Falha critica.");
  14. 		    } catch (NumberFormatException e) {
  15. 		        System.out.println("Você digitou uma entrada invalida.");
  16. 		    }
  17. 	    }
  18.     }
  19. }
  20.  
  21. //https://pt.stackoverflow.com/q/43083/101
Success #stdin #stdout 0.04s 2184192KB
comments (?)
stdin 
abc
1d3
12
stdout 
Você digitou uma entrada invalida.
Você digitou uma entrada invalida.
12
https://ideone.com/OKg35I
language:
Java (12.0.1)
created:
6 years ago
visibility:
public

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