public final class TutorialBlocks {
    [...]
    
    // 对于 1.21.2 之前的版本
    // public static final DemoBlock DEMO_BLOCK = register("demo_block", new DemoBlock(AbstractBlock.Settings.create()));
    
    // 对于 1.21.2 及之后的版本
    public static final DemoBlock DEMO_BLOCK = register("demo_block", DemoBlock::new, AbstractBlock.Settings.create());
    
    [...]
}