package intermediario;

public class Exercicio00 {
	
	String frase, AUXILIAR;
		
	public String getFrase() {
		return frase;
	}

	public void setFrase(String frase) {
		this.frase = frase;
	}

	public String getAUXILIAR() {
		
		for (int i = 0; i < frase.length(); i++) {
			
			char elemento = frase.charAt(i);
			
			if (frase.charAt(i) == (char) 120) {
				 elemento = (char) 94;
			}
			if (frase.charAt(i) == (char) 121) {
				 elemento = (char) 95;
			}
			if (frase.charAt(i) == (char) 122) {
				 elemento = (char) 96;
			}
			elemento = (char) (elemento + 3);
			System.out.print(elemento);			
		}
		return AUXILIAR;
	}
}

@@ -232,16 +232,64 @@
 AR() %7B%0D%0A
+%09%09StringBuilder builder = new StringBuilder();%0D%0A
 %09%09%0D%0A%09%09fo
@@ -643,16 +643,48 @@
 3);%0D%0A%09%09%09
+builder.append(elemento);%0D%0A%09%09%09//
 System.o
@@ -721,24 +721,34 @@
 %09return 
-AUXILIAR
+builder.toString()
 ;%0D%0A%09%7D%0D%0A%7D

Update Exercicio00.java