下面是一个将Android MVVM RecyclerView点击监听器的Kotlin代码转换为Java的示例：

Kotlin代码：

class MyAdapter(private val itemList: List, private val clickListener: OnItemClickListener) : RecyclerView.Adapter() {

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
        val view = LayoutInflater.from(parent.context).inflate(R.layout.item_layout, parent, false)
        return ItemViewHolder(view)
    }

    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
        val item = itemList[position]
        val itemViewHolder = holder as ItemViewHolder
        itemViewHolder.bind(item)
        itemViewHolder.itemView.setOnClickListener {
            clickListener.onItemClick(item)
        }
    }

    override fun getItemCount(): Int {
        return itemList.size
    }

    interface OnItemClickListener {
        fun onItemClick(item: String)
    }

    inner class ItemViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
        private val textView: TextView = itemView.findViewById(R.id.textView)

        fun bind(item: String) {
            textView.text = item
        }
    }
}

Java代码：

public class MyAdapter extends RecyclerView.Adapter {

    private List itemList;
    private OnItemClickListener clickListener;

    public MyAdapter(List itemList, OnItemClickListener clickListener) {
        this.itemList = itemList;
        this.clickListener = clickListener;
    }

    @NonNull
    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_layout, parent, false);
        return new ItemViewHolder(view);
    }

    @Override
    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
        String item = itemList.get(position);
        ItemViewHolder itemViewHolder = (ItemViewHolder) holder;
        itemViewHolder.bind(item);
        itemViewHolder.itemView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                clickListener.onItemClick(item);
            }
        });
    }

    @Override
    public int getItemCount() {
        return itemList.size();
    }

    public interface OnItemClickListener {
        void onItemClick(String item);
    }

    public class ItemViewHolder extends RecyclerView.ViewHolder {

        private TextView textView;

        public ItemViewHolder(@NonNull View itemView) {
            super(itemView);
            textView = itemView.findViewById(R.id.textView);
        }

        public void bind(String item) {
            textView.setText(item);
        }
    }
}

使用示例：

public class MainActivity extends AppCompatActivity implements MyAdapter.OnItemClickListener {

    private RecyclerView recyclerView;
    private MyAdapter adapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        List itemList = Arrays.asList("Item 1", "Item 2", "Item 3");
        adapter = new MyAdapter(itemList, this);

        recyclerView = findViewById(R.id.recyclerView);
        recyclerView.setLayoutManager(new LinearLayoutManager(this));
        recyclerView.setAdapter(adapter);
    }

    @Override
    public void onItemClick(String item) {
        Toast.makeText(this, item, Toast.LENGTH_SHORT).show();
    }
}

在上面的示例中，我们将Kotlin代码转换为了Java代码，并保持了相同的功能和结构。这样，您就可以在Java项目中使用此适配器和点击监听器。