codeFileName：

P$!{question.frontendQuestionId}$!velocityTool.camelCaseName(${question.titleSlug})

CodeTemplate：

${question.content}

package leetcode.editor.cn;
//Java：${question.title}
public class P${question.frontendQuestionId}$!velocityTool.camelCaseName(${question.titleSlug}){
    public static void main(String[] args) {
        Solution solution = new P$!{question.frontendQuestionId}$!velocityTool.camelCaseName(${question.titleSlug})().new Solution();
        // TO TEST
    }
    ${question.code}
}

摘抄自博客：https://www.cnblogs.com/hwtblog/p/11455581.html