How do I call variables from another class to output and update them.

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Java

OOP

I am trying to call a variable from a different class so I can display and update the variable. I do not know how to properly call the variable and use it, eclipse throws up an error. Help would be much appreciated.

Thank you

What I have tried:

I have made the variable and gave it a value in a class called TicketHandler

public int TicketCost, AmountOfTickets;

public TicketHandler (int TicketCost, int AmountOfTickets){
		
		this.TicketCost = TicketCost;
		this.AmountOfTickets = AmountOfTickets;
			
	}
	public TicketHandler() {
			
		TicketCost = 200;
		AmountOfTickets = 50;

I have made the getter for the variable in the same class

public int getAmountOfTickets() {
		
		return AmountOfTickets;

I have tried calling it in a different class by using this line

getAmountOfTickts = AmuontOfTickets - 1;

TicketHandler Red = new TicketHandler (200,50);
		.
TicketHandler Green = new TicketHandler (200,50);
		
TicketHandler Blue = new TicketHandler (200,50);
		
TicketHandler Yellow = new TicketHandler (200,50);

These are some constructors that use the AmountOfTickets variable (the number 50)