💪(*): 同步数据

Author: JalanJiang

docs/data-structure/array/README.md

@@ -1732,6 +1732,31 @@ func islandPerimeter(grid [][]int) int {
 }
 ```
 
+#### **Java**
+
+```java
+class Solution {
+    public int islandPerimeter(int[][] grid) {
+        if (grid == null || grid.length <= 0 || grid[0] == null || grid[0].length <= 0) return 0;
+        int height = grid.length;
+        int width = grid[0].length;
+
+        int result = 0;
+
+        for (int i = 0; i < height; i++) {
+            for (int j = 0; j < width; j++) {
+                if (grid[i][j] == 1) {
+                    if (i == 0 || grid[i - 1][j] == 0) result++;
+                    if (j == 0 || grid[i][j - 1] == 0) result++;
+                }
+            }
+        }
+
+        return result * 2;
+    }
+}
+```
+
 <!-- tabs:end -->
 
 ## 485. 最大连续1的个数

docs/index.html

@@ -10,7 +10,7 @@
   <style>
     :root {
       --docsifytabs-border-color: #ededed;
-      --docsifytabs-tab-highlight-color: purple;
+      --docsifytabs-tab-highlight-color: #F77F00;
     }
   </style>
 </head>
@@ -43,6 +43,30 @@
         tabComments: true,
         tabHeadings: true,
       },
+      // 更新日期
+      formatUpdated: '{YYYY}-{MM}-{DD} {HH}:{mm}:{ss}',
+      // 插件
+      plugins: [
+        function(hook, vm) {
+          // 底部
+          hook.beforeEach(function(content) {
+            var url ='https://github.com/JalanJiang/leetcode-notebook/tree/master/docs/' + vm.route.file;
+            var editHtml = '> 🧐发现错误，想一起完善？[在 Github 编辑此页](' + url +')！\n'
+
+            var footer = [
+              '----',
+              '> Last modified {docsify-updated}.',
+              '> [Jalan](http://jalan.space/), [Csming](https://csming1995.github.io/) &copy;2019. Proudly published with [docsify](https://github.com/docsifyjs/docsify) and powered by love.', 
+            ].join("\n");
+
+            return editHtml
+              + "\n----\n"
+              + content 
+              + "\n\n" 
+              + footer
+          })
+        },
+      ]
     }
   </script>
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