/* http://es.stackoverflow.com/q/27243/127 */
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.*;
class Ideone
{
{
String[] palabras
= {"pan",
"pan2"}; String[] valores
= {"pan1",
"pan2"}; String oracion
= "el pan es mejor que el pan2";
//REEMPLAZAR PALABRAS POR VALORES
for (int i = 0; i < 2; i++) {
oracion = oracion.replaceAll("\\b"+Pattern.quote(palabras[i])+"\\b",valores[i]);
}
}
}
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