摘要：
public class App1{ public static void main(String[] args){ float a=折断筷子(筷子长度：500)； System.out.println(a); } public static float 折断筷子(float 筷子长度){ floa 阅读全文
摘要：
package com.nf.entity; public class Test{ private Integer id; private String subject; private Integer studentId; private Integer scope; public Integer 阅读全文