From 9990d6ab83e52a06ae69256f7f6868141c20f3d0 Mon Sep 17 00:00:00 2001
From: TomasBasile06 <53956967+TomasBasile06@users.noreply.github.com>
Date: Sat, 26 Oct 2019 18:13:49 -0300
Subject: [PATCH] Duplicate Charters

One way to find the duplicates charters
---
 DuplicateChar.java | 55 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 DuplicateChar.java

diff --git a/DuplicateChar.java b/DuplicateChar.java
new file mode 100644
index 0000000..6551101
--- /dev/null
+++ b/DuplicateChar.java
@@ -0,0 +1,55 @@
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Scanner;
+
+public class Main
+{
+    public static void main(String[] args)
+    {
+        System.out.println("Input your string:");
+        
+        Scanner input = new Scanner(System.in);
+
+        String myInput = input.nextLine();
+
+        char[] chars = myInput.toCharArray();
+
+        Map<Character, Integer> map = new HashMap<>();
+        for(char c : chars)
+        {
+            if(map.containsKey(c)) {
+                int counter = map.get(c);
+                map.put(c, ++counter);
+            } else {
+                map.put(c, 1);
+            }
+        }
+
+        System.out.println("Duplicate characters:");
+
+        //Print duplicate characters
+        for(char c : map.keySet()) {
+            if(map.get(c) > 1) {
+                System.out.println(c);
+            }
+        }
+
+        System.out.println("Duplicate characters excluding white space :");
+
+        //Print duplicate characters excluding white space
+        for(char c : map.keySet()) {
+            if(map.get(c) > 1 && !Character.isWhitespace(c)) {
+                System.out.println(c);
+            }
+        }
+
+        System.out.println("Distinct characters:");
+
+        //Print distinct characters
+        for(char c : map.keySet()) {
+            if(map.get(c) == 1) {
+                System.out.println(c);
+            }
+        }
+    }
+}