看到这样一段代码,其中一句不明白,请哪个好心人解答一下,先行谢过。
Collection objects = response.getCollection(); // Display information on the objects found
if (objects.isEmpty()) {
System.out.println("No objects found");
} else {
for (Object o : objects) { //这句语句怎么理解呢?其中冒号是什么意思啊?
RegistryObject obj = (RegistryObject) o;
System.out.println("Object key id: " + getKey(obj));
Collection objects = response.getCollection(); // Display information on the objects found
if (objects.isEmpty()) {
System.out.println("No objects found");
} else {
for (Object o : objects) { //这句语句怎么理解呢?其中冒号是什么意思啊?
RegistryObject obj = (RegistryObject) o;
System.out.println("Object key id: " + getKey(obj));
或者你上网搜一下for/in语句
java 学习ing...
大家多指教..
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