+++ block/[[ --BlockClassName-- ]].java
@@@ create @@@

package [[ --packageNamespace-- ]].block;

import net.minecraft.world.level.block.Block;

public class [[ --BlockClassName-- ]] extends Block {
  public [[ --BlockClassName-- ]](Properties properties) {
      super(properties);
  }
}

+++ block/ModBlocks.java
@@@ after:@TemplateEntryPoint("Register Blocks") @@@
  public static final RegistryObject<Block> [[ --BLOCK_NAME-- ]] =
      BLOCKS.register("[[ --block_name-- ]]", () -> new [[ --BlockClassName-- ]](BlockBehaviour.Properties.of(Material.STONE)
          .requiresCorrectToolForDrops().strength(3.0F, 6.0F).sound([[ --SoundType-- ]])));

+++ item/ModItems.java
@@@ after:@TemplateEntryPoint("Register Block Items") @@@
  public static final RegistryObject<Item> [[ --BLOCK_NAME-- ]] =
      ITEMS.register("[[ --block_name-- ]]", () -> new BlockItem(ModBlocks.[[ --BLOCK_NAME-- ]].get(),
          new Item.Properties().tab(CreativeModeTab.TAB_BUILDING_BLOCKS)));