1) Write nested loops to draw this patterr: pablic leen t x 2) Write a method called multiConcat that takes a String and an integer as parameters and returns a String that is the parameter string concatenated with itself n number of times (where n is the second parameter). For example, if the parameters are "hi" and 4, the return value is "hihihihi". public String multiConcat (String input, int n) 3) Complete the following code segment System.out.print ("Are you sure you want to delete the file?") response kb . nextLine ( ) ; //Loop to validate the response. Valid response is yes or no