Create RremoveDuplicatesFromString.java

Java/RemoveDuplicatesFromString.java

@@ -0,0 +1,43 @@
+import java.util.*; 
+
+class RemoveDuplicatesFromString
+{ 
+	static String removeDuplicate(char str[], int n) 
+	{ 
+		// Used as index in the modified string 
+		int index = 0; 
+
+		// Traverse through all characters 
+		for (int i = 0; i < n; i++) 
+		{ 
+
+			// Check if str[i] is present before it 
+			int j; 
+			for (j = 0; j < i; j++) 
+			{ 
+				if (str[i] == str[j]) 
+				{ 
+					break; 
+				} 
+			} 
+
+			// If not present, then add it to 
+			// result. 
+			if (j == i) 
+			{ 
+				str[index++] = str[i]; 
+			} 
+		} 
+		return String.valueOf(Arrays.copyOf(str, index)); 
+	} 
+
+	// Driver code 
+	public static void main(String[] args) 
+	{ 
+                Scanner sc=new Scanner(System.in);
+                String s=sc.nextLine();
+		char str[] = s.toCharArray(); 
+		int n = str.length; 
+		System.out.println(removeDuplicate(str, n)); 
+	} 
+}