feat(4.5.1): Finish U4_L5_Activity_One

src/main/java/Unit4/U4_L5_Activity_One.java

@@ -0,0 +1,21 @@
+package Unit4;
+
+import java.util.Scanner;
+
+public class U4_L5_Activity_One {
+  public static void main(String[] args) {
+    Scanner scanner = new Scanner(System.in);
+    System.out.println("Input a String");
+    String word = scanner.nextLine();
+    System.out.println("Input an Inteager");
+    int times = scanner.nextInt();
+
+    for (int i = 0; i < word.length(); i++) {
+      for (int j = 0; j < times; j++) {
+        System.out.print(word.substring(i, i + 1));
+      }
+    }
+    scanner.close();
+
+  }
+}