please open this inage....java

In a class comprising of 20 students about 10 students have registered for various competitions like dance, sports, and musle. The students have registered using their registration numbers. These details were stored in the artay"dancelier sporteller and musicist An array called studentdata has register number and their corresponding names Create an array "Olist that stores the register number as well as names of students who have registered for any one of the competitions Display the students who registered for all three competitions Display the students who did not register for any of the competitions