public class ExampleMod implements ModInitializer {

    // For versions below 1.20:
    // public static final Block EXAMPLE_BLOCK = new Block(FabricBlockSettings.of(Material.METAL).strength(4.0f));
    // For versions below 1.20.5:
    // public static final Block EXAMPLE_BLOCK = new Block(FabricBlockSettings.create().strength(4.0f));
    // For versions since 1.20.5 below 1.21.2:
    public static final Block EXAMPLE_BLOCK = new Block(Block.Settings.create().strength(4.0f));
    
    @Override
    public void onInitialize() {
        // For versions below 1.21:
        // Registry.register(Registries.BLOCK, new Identifier("tutorial", "example_block"), EXAMPLE_BLOCK);
        // For versions since 1.21:
        Registry.register(Registries.BLOCK, Identifier.of("tutorial", "example_block"), EXAMPLE_BLOCK);
    }
}