commit

Author: 王俊超

.idea/modules.xml

@@ -0,0 +1,32 @@
+import java.util.LinkedList;
+import java.util.List;
+
+/**
+ * @author: wangjunchao(王俊超)
+ * @time: 2018-09-28 15:50
+ **/
+public class Solution {
+    public String simplifyPath(String path) {
+        String[] ss = path.split("/");
+        List<String> result = new LinkedList<>();
+
+        for (String part : ss) {
+            if (".".equals(part)) {
+                continue;
+            } else if ("..".equals(part)) {
+                if (result.size() > 0) {
+                    result.remove(result.size() - 1);
+                }
+            } else if (!"".equals(part.trim())) {
+                result.add(part);
+            }
+        }
+
+        StringBuilder builder = new StringBuilder();
+        for (String part : result) {
+            builder.append("/").append(part);
+        }
+
+        return builder.length() == 0 ? "/" : builder.toString();
+    }
+}