/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
// Retorna o índice da última ocorrência de "substituir"
int pos = texto.lastIndexOf(substituir);
// Se encontrar o índice
if (pos > -1) {
// Retorna os caracteres antecedentes de "substituir"
return texto.substring(0, pos)
+ substituto
// Retorna os caracteres posteriores a "substituir"
+ texto.substring(pos + substituir.length(), texto.length());
} else
// Se a palavra especificada em "substituir" não for encontrada não altera nada
return texto;
}
{
if (texto.endsWith("asin")){
System.
out.
println(replaceLast
(texto,
"asin",
"")); }
else if (texto.endsWith("sin")){
System.
out.
println(replaceLast
(texto,
"sin",
"")); }
}
}
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