标签:split tor 复数 pen public collect string 重复数据 ash
public static void main(String[] args) {
List<String> strLs = new ArrayList<String>();
strLs.add("香蕉");
strLs.add("苹果");
strLs.add("苹果");
strLs.add("橘子");
strLs.add("橘子");
strLs.add("橘子");
strLs.add("哈密瓜");
strLs.add("西瓜");
same(strLs);
}
public static List<Integer> same(List<String> list) {
Map<String, String> map = new HashMap<String, String>();
for (int i = 0; i < list.size(); i++) {
String key = list.get(i);
String old = map.get(key);
if (old != null) {
map.put(key, old + "," + (i + 1));
} else {
map.put(key, "" + (i + 1));
}
}
Iterator<String> it = map.keySet().iterator();
List<Integer> list2 = new ArrayList<>();
StringBuffer buffer = new StringBuffer();
while (it.hasNext()) {
String key = it.next();
String value = map.get(key);
if (value.indexOf(",") == -1) {
System.out.println(key + "不重复,行: " + value);
buffer.append(value).append(",");
}
}
String string = buffer.deleteCharAt(buffer.length()-1).toString();
String[] split = string.split(",");
for (String string2 : split) {
list2.add(Integer.parseInt(string2.trim()));
}
Collections.sort(list2);
return list2;
}
标签:split tor 复数 pen public collect string 重复数据 ash
原文地址:https://www.cnblogs.com/sunBinary/p/12001850.html