Chain of Command

public interface Command<T>{
    boolean execute(T context);
}
public class FirstCommand implements Command<Map<String, Object>>{
    public boolean execute(Map<String, Object> context){
        //doing something in here
    }
}
public class SecondCommand implements Command<Map<String, Object>>{
    public boolean execute(Map<String, Object> context){
        //doing something in here
    }
}
public class Chain {
    public List<Command> commands;

    public Chain(Command... commands){
        this.commands = Arrays.asList(commands);
    }

    public void start(Object context){
        for(Command command : commands){
            boolean shouldStop = command.execute(context);

            if(shouldStop){
                return;
            }
        }
    }
}
Chain chain = new Chain(new FirstCommand(), new SecondCommand());
Map<String, Object> context = new HashMap<>();
context.put("some parameter", "some value");
chain.start(context);