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Scanner类：一个可以解析基本类型和字符串的简单文本扫描器。导包：import java.util.Scanner;创建对象和调用方法Scanner sc=new Scanner(System.in); int i = sc.nextInt();//接收键盘输入的数字Random类：此类的实例用...

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这辈子没办法做太多事情，所以每一件都要做到精彩绝伦！ People can't do too many things in my life,so everything will be wonderful      本资料只进行简单介绍说明以及相关重要问题的解答...

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