Update README.md

ndb796 · web-flow · commit c362b4026034 · 2020-10-10T00:15:20.000+09:00
diff --git a/README.md b/README.md
@@ -186,7 +186,7 @@
 * [연산자 끼워 넣기](https://www.acmicpc.net/problem/14888) (삼성): ([Python 3.7 코드](/13/5.py) / [C++ 코드](/13/5.cpp) / [Java 코드](/13/5.java))
 * [감시 피하기](https://www.acmicpc.net/problem/18428) (핵심 유형): ([Python 3.7 코드](/13/6.py) / [C++ 코드](/13/6.cpp) / [Java 코드](/13/6.java))
 * [인구 이동](https://www.acmicpc.net/problem/16234) (삼성): ([Python 3.7 코드](/13/7.py) / [C++ 코드](/13/7.cpp) / [Java 코드](/13/7.java))
-* [블록 이동하기](https://programmers.co.kr/learn/courses/30/lessons/60063) (카카오): ([Python 3.7 코드](/13/8.py) / [C++ 코드](/13/8.cpp))
+* [블록 이동하기](https://programmers.co.kr/learn/courses/30/lessons/60063) (카카오): ([Python 3.7 코드](/13/8.py) / [C++ 코드](/13/8.cpp) / [Java 코드](/13/8.java))
 
 #### 14장 정렬
 
