From 5472520edef040e55b0b91e8300516bdd9ca8325 Mon Sep 17 00:00:00 2001
From: jaredliw <jaredliw@gmail.com>
Date: Sat, 2 Oct 2021 21:28:11 +0800
Subject: [PATCH] 'while (k > 0) {' -> 'while (k > 0  && !stack.isEmpty()) {'
 (java.util.EmptyStackException)

---
 animation-simulation/栈和队列/leetcode402移掉K位数字.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/animation-simulation/栈和队列/leetcode402移掉K位数字.md b/animation-simulation/栈和队列/leetcode402移掉K位数字.md
index 2ffe931..60e4b27 100644
--- a/animation-simulation/栈和队列/leetcode402移掉K位数字.md
+++ b/animation-simulation/栈和队列/leetcode402移掉K位数字.md
@@ -75,7 +75,7 @@ class Solution {
             }
             stack.push(i);
         }
-        while (k > 0) {
+        while (k > 0  && !stack.isEmpty()) {
             stack.pop();
             k--;
         }