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Dec 5th, 2019
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Java 0.71 KB | None | 0 0
  1. Arquivo Questao2.java:
  2. public class main {
  3.     public static void main(String[] args) {
  4.         String temp = null;
  5.         temp = Inversor.inverterString(temp);
  6.         System.out.println(temp);
  7.         System.out.println(Inversor.inverterString("professor"));
  8.     }
  9. }
  10.  
  11. -----------------
  12.  
  13. Arquivo Inversor.java
  14. public class Inversor {
  15.     public static String inverterString(String texto) {
  16.         String reverse = "";
  17.  
  18.         if (texto != null && !texto.isEmpty()) {
  19.             for(int j = texto.length() - 1; j >= 0; j--) {
  20.                 reverse = reverse + texto.charAt(j);
  21.             }
  22.         }
  23.  
  24.         return reverse;
  25.     }
  26. }
  27.  
  28.  
  29.  
  30. ----
  31.  
  32. a) retorna uma string vazia;
  33. b) retorna rosseforp
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