Something

class encodedecode
{
String text;
public void settext(String txt){
text= txt;
}
public String gettext(){
return text;
}
public int getlength(){
return text.length();
}
public String encode()
{
String result = "";
for(int a = 0; a < text.length(); a++)
{
char c = text.charAt(a);
for(int b = 0; b < 2; b++)
{
c++;
}
result = result + c;
}
return result;
}



public String decode()
{
String result = "";
for(int a = 0; a < text.length(); a++)
{
char c = text.charAt(a);
for(int b = 0; b < 2; b++)
{
c--;
}
result = result + c;
}
return result;
}
}