package java2;
public class met {
public static String output1;
public static void fn(String s) {
StringBuffer
sbuf = new StringBuffer();
for (int i = 0; i <
s.length(); i++) {
if
(sbuf.indexOf(Character.toString(s.charAt(i))) == -1) {
sbuf.append(s.charAt(i));
}
}
output1 =
sbuf.toString();
}
public static void main(String[]
args) {
fn("hi this
is a sample test");
System.out.println(output1);
}
}