假设我有一个列表,
Arrays.asList("A","B","C","D");
Java 中是否有一种方便的方法可以让我检查此列表以查看元素 C 和 D 是否按该顺序在此列表中?
大致如下:
Collections.containsOrderedElements(list,"C","D");
Collections.containsOrderedElements(list,"A","B","C");
上述方法将返回 true,但是
Collections.containsOrderedElements(list,"A","C");
不会吗?
java.util
包中有一个方法可以帮助你(Collections.indexOfSubList(sourceList, subList)
):
List<String> list = Arrays.asList("A", "B", "C", "D");
System.out.println(Collections.indexOfSubList(list, Arrays.asList("C", "D")) >= 0);
System.out.println(Collections.indexOfSubList(list, Arrays.asList("A","B","C")) >= 0);
System.out.println(Collections.indexOfSubList(list, Arrays.asList("A", "C")) >= 0);
打印:
true
true
false