随笔分类 -  Day_02

摘要：平均数与求和 import java.util.Scanner; public class scanner03 { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); //和 doubl 阅读全文

摘要：next 方法使用介绍 import java.util.Scanner; public class scanner { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System 阅读全文

摘要：运算符 package Operator; import java.sql.SQLOutput; public class simpleOperator { public static void main(String[] args) { //Ctrl + D 快捷键 复制当前行到下一行 int a 阅读全文