public static void main(String[] args) {
String a = "a";
String[] F = { "A", "B", "C" };
List<String> s = Arrays.asList(F);//数组转List
if(s.contains(a)){//用list的contains去判断
System.out.println("t");
}else{
System.out.println("f");
}
}
数组去重
原文：http://www.cnblogs.com/BestTime/p/3972496.html
