diff --git a/Strings.java b/Strings.java
new file mode 100644
index 0000000..162ad4d
--- /dev/null
+++ b/Strings.java
@@ -0,0 +1,55 @@
+import java.util.*;
+
+public class Strings {
+    public static void main(String args[]){
+        Scanner sc = new Scanner(System.in);
+       System.out.println("Enter name");
+        String name = sc.nextLine();
+        System.out.println("Your name is "+name);
+
+        //concatenation
+        System.out.println("Enter first name");
+        String first = sc.next();
+        System.out.println("Enter last name");
+        String last = sc.next();
+        String fullname = first+" "+last;
+        System.out.println("Your full name is"+fullname);
+        System.out.println(fullname.length());
+
+        //charAt
+
+       for (int i = 0; i < fullname.length(); i++) {
+            System.out.println(fullname.charAt(i));
+       }
+
+
+        //comparison function
+
+       if (first.compareTo(last)==0){
+            System.out.println("Equal");
+        } else if (first.compareTo(last)>0){
+                System.out.println("Strings are not equal and greater than other name");
+        }else {
+            System.out.println("Strings are not equal and second string is greater than 1st string");
+       }
+
+        //Substring
+
+        String Sub = fullname.substring(5, fullname.length());
+        System.out.println(Sub);
+
+
+        //Check for substring existence
+        System.out.println("Enter substring you want to check");
+        String x = sc.next();
+        if (name.contains(x)) {
+            System.out.println("Substring Found");
+        }
+
+
+        //Replace Substrings
+        System.out.println("Enter string you want to replace with");
+        String y = sc.next();
+        String replacedStr = name.replace(x, y);
+    }
+}