long数组与Long数组转换_JAVA_编程开发_程序员俱乐部

class="java" name="code">Set<Long> idsSet = new HashSet<Long>();
		//过滤没有详情的id
		for(Entry<Long, UserProfile> entry : userProfileMap.entrySet()){
			UserProfile userProfile = entry.getValue();
			if (userProfile == null) {
				continue;
			}
			idsSet.add(userProfile.getUserId());
		}
		
		Long[] idsLong = idsSet.toArray(new Long[0]);
		int idsLen = idsLong.length;
		long[] idslong = new long[idsLen];
		for(int i = 0; i < idsLen; i++){
			idslong[i] = idsLong[i];
		}