diff --git a/code_study/Baekjoon/java/_11053.java b/code_study/Baekjoon/java/_11053.java
new file mode 100644
index 0000000..7801fe4
--- /dev/null
+++ b/code_study/Baekjoon/java/_11053.java
@@ -0,0 +1,23 @@
+import java.util.*;
+
+public class _11053 {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        int N = sc.nextInt();
+        int[] Arr = new int[N];
+        for(int i=0; i<N; i++) Arr[i] = sc.nextInt();
+        sc.close();
+
+        int[] dp = new int[N];
+        Arrays.fill(dp, 1);
+
+        for(int i=0; i<N; i++) {
+            for(int j=0; j<i; j++) {
+                if(Arr[i]>Arr[j]) dp[i] = Math.max(dp[i], dp[j] + 1);
+            }
+        }
+
+        int maxLenth = Arrays.stream(dp).max().getAsInt();
+        System.out.println(maxLenth);
+    }
+}