第4周作业-数学学习工具;第4周作业-打字成绩判断程序

import java.util.Scanner;
public class AdditionQuiz {
public static void main(String[] args)
{
int number1 =(int)(System.currentTimeMillis() % 10);
int number2 =(int)(System.currentTimeMillis() *7 % 10);
//Create a Scanner
Scanner input =new Scanner(System.in);
System.out.print("What is " + number1 + " + " + number2 + "? ");
int answer = input.nextInt();
System.out.println(number1 + " + " + number2 + " = " + answer + " is " + (number1 + number2 == answer));

}
}

import java.util.Scanner;

//打字成绩判断程序
public class TouchType {
public static void main(String args[])
{
double grade = 0.0;
double score = 0;
System.out.print("Enter the grade of a TouchType: ");
Scanner sc=new Scanner(System.in);
score=sc.nextDouble();
if(score<15)
System.out.println("不及格");
else
if(score<30)
System.out.println("及格");
else
if(score<60)
System.out.println("优秀");
else
System.out.println("very good !");
}

}