一方通行kuma的博客我有两个相同类型的对象。Class A {String a;List b;int c;}A obj1 = new A();A obj2 = new A();obj1 => {a ="hello"; b = null; c = 10}obj2 => {a = null; b = new ArrayList(); c = default value}您能否让...
weixin_39968436的博客 如果您想将其与并行流一起使用,则还有一个线程安全的变体: List result = Stream.concat(list1.stream(), list2.stream()) .filter(new ConcurrentSkipListSet(c)::add) .collect(Collectors.toList());...