java full trikey output problems

Question o7:

Show the output of the following .

String i="java";

     System.out.printf("Welcome to %s\n programming",i);

Output:

Welcome to java

Programming

Question 08

Show the output of the following .

  String i="java";

     System.out.printf("Welcome to %s\n programming",i+i);

Output

Welcome to javajava

 programming