import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;
+import java.util.Locale;
import java.util.StringTokenizer;
/**
public int checkSum(String seq)
{
int check = 0;
- String sequence = seq.toUpperCase();
+ String sequence = seq.toUpperCase(Locale.ROOT);
for (int i = 0; i < sequence.length(); i++)
{