9.11 学习情况及课堂小测
下午Java课堂学习
学习Java学习或者编程学习的精义
课堂小测
import java.util.Scanner; import java.util.Random; public class Main { public static void main(String[] args) { Random radom=new Random(); for(int i=0;i<30;i++) { int k= radom.nextInt(100)%100; int t=radom.nextInt(100)%100; int sf= radom.nextInt(4)%4; if (sf == 0) { System.out.println(k + "+" + t + "="); } if (sf == 1) { System.out.println(k + "-" + t + "="); } if (sf == 2) { System.out.println(k + "/" + t + "="); } if (sf == 3) { System.out.println(k + "*" + t + "="); } } } }