Added 15 solutions

Java/Strings/Java Strings Introduction/Solution.java

@@ -0,0 +1,29 @@
+import java.util.Scanner;
+
+public class Solution {
+
+    public static void main(String[] args) {
+        /* Read input */
+        Scanner scan = new Scanner(System.in);
+        String A = scan.next();
+        String B = scan.next();
+        scan.close();
+        
+        /* Sum lengths */
+        System.out.println(A.length() + B.length());
+
+        /* Compare lexicographical ordering */
+        System.out.println(A.compareTo(B) > 0 ? "Yes" : "No");
+        
+        /* Print the Strings in desired format */
+        System.out.println(capFirstLetter(A) + " " + capFirstLetter(B));
+    }
+    
+    private static String capFirstLetter(String str) {
+        if (str == null || str.length() == 0) {
+            return "";
+        } else {
+            return str.substring(0,1).toUpperCase() + str.substring(1);
+        }
+    }
+}