Merge pull request #4075 from ziameraj16/ziameraj16-challenge-112

Java solution for Canonical Path

1 files changed, 23 insertions, 0 deletions

diff --git a/challenge-112/ziameraj16/java/CanonicalPath.java b/challenge-112/ziameraj16/java/CanonicalPath.java
new file mode 100644
index 0000000000..d299c1908a
--- /dev/null
+++ b/challenge-112/ziameraj16/java/CanonicalPath.java
@@ -0,0 +1,23 @@
+import java.util.Scanner;
+
+public class CanonicalPath {
+
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        System.out.println("Enter a string");
+        String input = scanner.next();
+        System.out.println(getCanonicalPath(input));
+    }
+
+    public static String getCanonicalPath(String input) {
+        input = input.replaceAll("//", "/");
+        if ('/' == (input.charAt(input.length() - 1))) {
+            input = input.substring(0, input.length() - 1);
+        }
+        while (input.contains("/..")) {
+            int index = input.indexOf("/..");
+            input = input.replace("/" + input.charAt(index - 1) + "/..", "");
+        }
+        return input;
+    }
+}