Time: 14 ms (5.30%), Space: 41.8 MB (5.30%) - LeetHub

Author: yeonjiyeon

1323-maximum-69-number/1323-maximum-69-number.java

@@ -0,0 +1,23 @@
+class Solution {
+    public int maximum69Number (int num) {
+        int answer = 0;
+        int[] digits = Stream.of(String.valueOf(num).split("")).mapToInt(Integer::parseInt).toArray();
+        for(int i =0; i < digits.length; i++){
+            System.out.println(digits[i]);
+            if(digits[i] == 6){
+                digits[i] = 9;
+                System.out.println(digits[i]);
+                 break;
+            }
+           
+        }
+        
+     for(int digit: digits) { 
+         answer *= 10; 
+         answer += digit; 
+     }
+       
+        
+        return answer;
+    }
+}