looking for someone to tell me what I am doing wrong, got stuck

6. There is no method for removing a Concert Ticket from a Wallet. Your job is to write a method named remove. It should take no parameters and return the Concert Ticket object that was removed. Here is the pseudocode for this method: public ConcertTicket remove () { // Create a ConcertTicket reference variable. // DO NOT create an object, only the reference variable. // Use the size variable to access the last added ConcertTicket // Point the reference variable to this object. // Set that array element to null // Decrement the size variable // return the concertTicket } 7. Write this method before moving on. public ConcertTicket remove() { ConcertTicket ct = new ConcertTicket(); ct = tickets [getSize() - 1); ct = null; this.size--; return ct; }