增加0134.加油站Java解法

problems/0134.加油站.md

@@ -200,6 +200,7 @@ public:
 
 Java：
 ```java
+// 解法1
 class Solution {
     public int canCompleteCircuit(int[] gas, int[] cost) {
         int sum = 0;
@@ -221,7 +222,26 @@ class Solution {
     }
 }
 ```
-
+```java
+// 解法2
+class Solution {
+    public int canCompleteCircuit(int[] gas, int[] cost) {
+        int curSum = 0;
+        int totalSum = 0;
+        int index = 0;
+        for (int i = 0; i < gas.length; i++) {
+            curSum += gas[i] - cost[i];
+            totalSum += gas[i] - cost[i];
+            if (curSum < 0) {
+                index = (i + 1) % gas.length ; 
+                curSum = 0;
+            }
+        }
+        if (totalSum < 0) return -1;
+        return index;
+    }
+}
+```
 Python：
 ```python
 class Solution: