Java solution for Canonical Path

2 files changed, 39 insertions, 33 deletions

diff --git a/challenge-112/ziameraj16/README.md b/challenge-112/ziameraj16/README.md
index 188de1153e..bdb0a95ebe 100644
--- a/challenge-112/ziameraj16/README.md
+++ b/challenge-112/ziameraj16/README.md
@@ -1,44 +1,27 @@
-# Valid Phone Numbers
+# Canonical Path
 ## Java Solution
 
 To compile the code run
 ```java
-javac ValidPhoneNumbers.java
+javac CanonicalPath.java
 ```
 To run
 ```java
-java ValidPhoneNumbers
+java CanonicalPath
 ```
 ### Example
 ```bash
-/perlweeklychallenge-club/challenge-110/ziameraj16/java$ javac ValidPhoneNumbers.java
-/perlweeklychallenge-club/challenge-110/ziameraj16/java$ java ValidPhoneNumbers
-Enter full file path
-/Users/ziameraj16/a.txt
-0044 1148820341
- +44 1148820341
-(44) 1148820341
+~/study/github/perlweeklychallenge-club/challenge-112/ziameraj16/java$ java CanonicalPath
+Enter a string
+/a/
+/a
+~/study/github/perlweeklychallenge-club/challenge-112/ziameraj16/java$ java CanonicalPath
+Enter a string
+/a/b//c/
+/a/b/c
+~/study/github/perlweeklychallenge-club/challenge-112/ziameraj16/java$ java CanonicalPath
+Enter a string
+/a/b/c/../..
+/a
+~/study/github/perlweeklychallenge-club/challenge-112/ziameraj16/java$
 ```
-
-# Transpose File
-## Java Solution
-
-To compile the code run
-```java
-javac TransposeFile.java
-```
-To run
-```java
-java TransposeFile
-```
-### Example
-```bash
-/perlweeklychallenge-club/challenge-110/ziameraj16/java$ javac TransposeFile.java
-/perlweeklychallenge-club/challenge-110/ziameraj16/java$ java TransposeFile
-Enter full file path
-/Users/ziameraj16/a.txt
-name,Mohammad,Joe,Julie,Cristina
-age,45,20,35,10
-sex,m,m,f,f
-```
-
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;
+    }
+}