摘要:
集合工厂 List<String> friends = Arrays.asList("Raphael", "Olivia"); friends.set(0, "Richard"); friends.add("Thibaut"); ← 抛出一个UnsupportedModificationExcept 阅读全文
集合工厂 List<String> friends = Arrays.asList("Raphael", "Olivia"); friends.set(0, "Richard"); friends.add("Thibaut"); ← 抛出一个UnsupportedModificationExcept 阅读全文
