can 27t find main 28string 5b 5d 29 method in class

1first write main class firfirst write main class first that have public static void main with its all content  then other classesst that have public static void main with its all content  then other classes

1class TapeDeckcTestDrive{
2    public static void main(String[] args){
3        TapeDeck t = new TapeDeck();
4        t.canRecord = true;
5        t.playTape();
6
7        if (t.canRecord == true) {
8            t.recordTape();
9        }
10    }
11}
12
13class TapeDeck {
14    boolean canRecord = false;
15    void playTape(){
16        System.out.println("tape playing");
17    }
18    void recordTape(){
19        System.out.println("tape recording");
20    }
21}