please solve this using java

Question 2 You are at the bottom of a staircase with n stairs. You can jump 1, 2, or 3 stairs at a time. How many different ways can you jump up the stairs? Example Input: n: 3 Example Output: 4 Explanation: There are 4 different ways you can jump up to the top of the stairs: 1 jump, 1 jump, 1 jump 2 jumps, 1 jump 1 jump, 2 jumps 3 jumps