public class testJava {
public static String[] ss = new String[20];
//测试 split 方法
/* public SplitDemo() {
String s = "Thewwwwwwww,uuuuuu,";
// 在每个空格字符处进行分解。
ss = s.split(",");
}
public static void main(String[] args) {
SplitDemo demo = new SplitDemo();
for (int i = 0; i < ss.length; i++)
System.out.println(ss[i]);
List<Integer> entiIDLst;//= new ArrayList<Integer>();
System.out.println(entiIDLst);
}*/
//取出list中相同的元素
public static List removeaSameelement(List list) {
Set set = new HashSet();
List newList = new ArrayList();
for (Iterator iter = list.iterator(); iter.hasNext();) {
Object element = iter.next();
if (set.add(element))
newList.add(element);
}
return newList;
}
public static void main(String[] args) {
List lst=new ArrayList();
lst.add(1);
lst.add(1);
lst.add(3);
lst.add(3);
System.out.println(removeaSameelement(lst));
}
}