Help, trying to learn how to use threads

[rigid pivot]

Hello, im trying to learn how to use threads, this is my code:

testThread = new Thread(new Runnable() {
                        int timer = 0;

                        @Override
                        public void run() {
                            timer++;
                            if (timer == 200) {
                                timer = 0;
                                System.out.println("Example message");
                            }

                        }
                    });
testThread.start();
``` but it doesnt work, please help

[runic jacinth]

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