Create 8. String to Integer (atoi)

Author: stone16

8. String to Integer (atoi)

@@ -0,0 +1,20 @@
+public class Solution {
+    public int myAtoi(String str) {
+        int l=str.length();
+        int sign = 0;
+        int result = 0;
+        int index = 0;
+        
+        
+        if(l==0)  return 0;
+        if(str.charAt(0)=='+'){
+            sign = 1;
+            index++;
+        }else if(str.charAt(0)=='-'){
+            sign = -1;
+            index++;
+        }else{
+            sign = 1;
+        }
+    }
+}