Java solution for Caesar Cipher

2 files changed, 43 insertions, 52 deletions

diff --git a/challenge-097/ziameraj16/README.md b/challenge-097/ziameraj16/README.md
index edc34dba03..94b92db99c 100644
--- a/challenge-097/ziameraj16/README.md
+++ b/challenge-097/ziameraj16/README.md
@@ -1,63 +1,21 @@
 # Java solution
-## Reverse Words
+## Caesar Cipher
 
 To compile the code run
 ```java
-javac ReverseWords.java
+javac CaesarCipher.java
 ```
 To run
 ```java
-java ReverseWords
+java CaesarCipher
 ```
 ### Example
 ```bash
-/perlweeklychallenge-club/challenge-096/ziameraj16/java$ javac ReverseWords.java
-/perlweeklychallenge-club/challenge-096/ziameraj16/java$ java ReverseWords
-Enter the string
-    Perl and   Raku are  part of the same family
-Reversed string is: family same the of part are Raku and Perl
-/perlweeklychallenge-club/challenge-096/ziameraj16/java$
+/perlweeklychallenge-club/challenge-097/ziameraj16/java$ javac CaesarCipher.java
+/perlweeklychallenge-club/challenge-097/ziameraj16/java$ java CaesarCipher
+Enter a string
+THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG
+Enter offset
+3
+Output: QEB NRFZH YOLTK CLU GRJMP LSBO QEB IXWV ALD
 ```
-## Edit Distance
-To compile the code run
-```java
-javac EditDistance.java
-```
-To run
-```java
-java EditDistance
-```
-### Example
-```bash
-/perlweeklychallenge-club/challenge-096/ziameraj16/java$ vi EditDistance.java
-/perlweeklychallenge-club/challenge-096/ziameraj16/java$ javac EditDistance.java
-/perlweeklychallenge-club/challenge-096/ziameraj16/java$ java EditDistance
-Enter first word
-kitten
-Enter second word
-sitting
-Output: 3
-```
-
-# Kotlin Solution
-## Reverse Words
-```bash
-/perlweeklychallenge-club/challenge-096/ziameraj16/kotlin$ kotlinc ReverseWordsKotlin.kt
-/perlweeklychallenge-club/challenge-096/ziameraj16/kotlin$ kotlin ReverseWordsKotlin
-Enter the string
-    Perl and   Raku are  part of the same family
-Reversed string is: family same the of part are Raku and Perl
-/perlweeklychallenge-club/challenge-096/ziameraj16/kotlin$
-```
-## Edit Distance
-```bash
-/perlweeklychallenge-club/challenge-096/ziameraj16/kotlin$ kotlinc EditDistanceKotlin.kt
-/perlweeklychallenge-club/challenge-096/ziameraj16/kotlin$ kotlin EditDistanceKotlin
-Enter first word
-sunday
-Enter second word
-monday
-Output: 2
-/perlweeklychallenge-club/challenge-096/ziameraj16/kotlin$
-```
-
diff --git a/challenge-097/ziameraj16/java/CaesarCipher.java b/challenge-097/ziameraj16/java/CaesarCipher.java
new file mode 100644
index 0000000000..4769b1b44e
--- /dev/null
+++ b/challenge-097/ziameraj16/java/CaesarCipher.java
@@ -0,0 +1,33 @@
+import java.util.Scanner;
+
+public class CaesarCipher {
+
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        System.out.println("Enter a string");
+        String str = scanner.nextLine();
+        System.out.println("Enter offset");
+        int offset = scanner.nextInt();
+        System.out.println("Output: "+ caesarCipher(str, offset));
+    }
+
+    private static String caesarCipher(String input, int offset) {
+        StringBuilder sb = new StringBuilder();
+        for (char character : input.toCharArray()) {
+            if (character == ' ') {
+                sb.append(character);
+                continue;
+            }
+            int originalPosition = character - 'A';
+            int newPosition = (originalPosition - offset) % 26;
+            char newCharacter = (char) ('A' + newPosition);
+            if (newPosition < 0) {
+                newCharacter = (char) ('Z' + (newPosition + 1));
+            }
+
+            sb.append(newCharacter);
+        }
+        return sb.toString();
+    }
+}
+