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public List<Integer> findSame(int array1[], int array2[]) {
// ÖØ¸´ÔªËؽá¹û¼¯ºÏ
List<Integer> result = new ArrayList<Integer>();
// ÀûÓÃhashmapÀ´Ñ°ÕÒÖØ¸´ÔªËØ
HashMap<String, String> hashMap = new HashMap<String, String>();
// ½«µÚÒ»¸öÊý×é¼ÓÈëhashmap
for (int i = 0; i < array1.length; i++) {
String temp = array1[i] + "";
hashMap.put(temp, temp);
}
// ±éÀúµÚ¶þ¸öÊý×é
for (int i = 0; i < array2.length; i++) {
String temp = array2[i] + "";
// ÔÚÒѾ´æÔÚµÚÒ»¸öÊý×éËùÓÐÔªËØµÄhashmapÀïѰÕÒµÚ¶þÊý×éÀïµÄÔªËØ
if (hashMap.get(temp) != null) {
// ½«Öظ´³öÏÖµÄÔªËØ¼ÓÈë½á¹û¼¯ºÏ
result.add(array2[i]);
}
}
return result;
}
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