import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
public class SetMembership {
final static String[] keywordarray = { "abstract", "assert", "boolean",
"break", "byte", "while" };
final static Set keywords = new HashSet(Arrays.asList(keywordarray));
static boolean isKeyword1(String id) {
return keywords.contains(id);
}
static boolean isKeyword2(String id) {
return Arrays.binarySearch(keywordarray, id) >= 0;
}
}