ReverseArrayList.reverseWithLoop(aList); assertThat(aList).isEqualTo(EXPECTED); When we run the test above, it passes. 6. Conclusion In this article, we’ve addressed how to reverse anArrayListthrough examples. The standardCollections.reversemethod is pretty handy to solve this problem. However,...
list.add(“Learn”); //此时list 为Hello World Learn reverseList(list); //调用reverseList 方法之后,list 为Learn World Hello packageTest03;importjava.util.ArrayList;importjava.util.List;publicclassReverseList {publicstaticvoidmain(String[] args) { List<String> list =newArrayList<>(); list.add(...
arrayList在java中也不能排序EN按索引排序的映射通常不会被请求，也不会直接在rt.jar中受到支持。
Input: "hello" Output: "olleh" Example 2: Input: "A man, a plan, a canal: Panama" Output: "amanaP :lanac a ,nalp a ,nam A" 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 代码 emmm这个很简单,转化为数组然后倒置即可 class Solution { public String reverseString(String s) { char[] x...
import java.util.ArrayList; import java.util.Collections; /** * Java program to reverse ArrayList by using Collections.reverse() * method. This method will work for any kind of ArrayList e.g. * integer list or String list, but this method will not work * for an ArrayList which doesn't...