public class LianXi {
public static void sop(String str)
{
System.out.println(str);
}
public static void main(String[] args) {
String s=" ssdsf ";
sop(s);
}
public static String my()
{
int start=0;int end=str.length()-1;
while (start<=end && str.charAt(start)==" ")
{
start++;
}
while (start<=end && str.charAt(end)==" ")
{
end--;
}
return str.substring(start, end+1);
}
}
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