摘要： 1 package debug; 2 3 import java.util.Scanner; 4 public class Demo3 { 5 6 public static void main(String[] args) { 7 8 Scanner sc = new Scanner(System.in); 9 ... 阅读全文

摘要： 1 package debug; 2 3 class Demo2 { 4 public static void main(String[] args){ 5 int a = 1; 6 int b = 2; 7 System.out.println("a:" + a + ",b:" + b); 8 9 ... 阅读全文