谢谢各位大神的出谋划策，尤其是@特仑苏先生 ，下面我给出代码： import java.util.Stack; public class BiWoXiaoZuiJin { public static int[] findArray(int[] array) { int[] res = new int[array.length]; Stack<Integer> inc = new Stack<>(); for(int i=0; i<array.length; i++) { while(!inc.isEmpty()) { if(inc.peek() >= array[i]) { inc.pop(); } else { res[i] = inc.peek(); inc.push(array[i]); break; } } if(inc.isEmpty()) { inc.push(array[i]); res[i] = -1; } } return res; } public static void main(String[] args) { int[] arr = {3,6,1,4,2,3,7,5,8}; int[] res = findArray(arr); for(int i=0; i<res.length; i++) { System.out.print(res[i] +" "); } } }