Merge pull request #521 from ylzou/patch-1

Update 0435.无重叠区间.md

problems/0435.无重叠区间.md

@@ -211,6 +211,29 @@ class Solution {
 }
 ```
 
+Java:
+按左边排序，不管右边顺序。相交的时候取最小的右边。
+```java
+class Solution {
+    public int eraseOverlapIntervals(int[][] intervals) {
+
+        Arrays.sort(intervals,(a,b)->{
+            return Integer.compare(a[0],b[0]);
+        });
+        int remove = 0;
+        int pre = intervals[0][1];
+        for(int i=1;i<intervals.length;i++){
+            if(pre>intervals[i][0]) {
+                remove++;
+                pre = Math.min(pre,intervals[i][1]);
+            }
+            else pre = intervals[i][1];
+        }
+        return remove;
+    }
+}
+```
+
 Python：
 ```python
 class Solution: