我的需求就是在android 中，需要異步上傳一批圖片檢測，但是結(jié)果要按順序加入list中,相當(dāng)于調(diào)用方法有序，但回調(diào)無序，如何解決？
下面是模擬代碼，如何實現(xiàn)在新建線程的情況下保證list.add方法正常，按序執(zhí)行
1
908public class Test {
public static void main(String args[]) {
for (int i = 0; i < 10; ++i) {
test1(i);
}
}
static List<String> arrayList = new ArrayList<>();
private static void test1(final int i) {
new Thread(new Runnable() {
@Override
public void run() {
try {
arrayList.add(i, i + "position");
} catch (Exception e) {
e.printStackTrace();
}
}
}).start();
}
}
1
0
0
擁有18年軟件開發(fā)和IT教學(xué)經(jīng)驗。曾任多家上市公司技術(shù)總監(jiān)、架構(gòu)師、項目經(jīng)理、高級軟件工程師等職務(wù)。 網(wǎng)絡(luò)人氣名人講師，...
public?static?void?main(String[]?args)?{
????????ExecutorService?exec?=?Executors.newFixedThreadPool(10);
????????
????????List>?list?=?new?ArrayList();
????????
????????for?(int?i?=?0;?i??future?:?exec.invokeAll(list))?{
????????????????try?{
????????????????????System.out.println(future.get());
????????????????}?catch?(ExecutionException?e)?{
????????????????????e.printStackTrace();
????????????????}
????????????}
????????}?catch?(InterruptedException?e)?{
????????????e.printStackTrace();
????????}
????????exec.shutdown();
????}
????
????static?Callable?newTask(final?int?t)?{
????????return?new?Callable()?{
????????????@Override
????????????public?Integer?call()?throws?Exception?{
????????????????System.out.println("newTask:?"?+?t);
????????????????try?{
????????????????????Thread.sleep((10?-?t)?*?1000);
????????????????}?catch?(InterruptedException?e)?{
????????????????????e.printStackTrace();
????????????????}
????????????????return?t;
????????????}
????????}
????}
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