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  • 9.10 (第五次作业)

    3-1
    import java.util.Scanner;
    public class Hua01 { public static void main(String[] args) { int number1=(int)(System.currentTimeMillis()%10); int number2=(int)(System.currentTimeMillis()/7%10); 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)); } }

    3-2
    import java.util.Scanner;
    public class Hua02 { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("Enter an integer:"); int number = input.nextInt(); if (number % 5 == 0) System.out.println("HiFive"); if(number % 2 == 0) System.out.println("HiEven"); } }

    3-3
    import java.util.Scanner;
    public class Hua03 { public static void main(String[] args) { int number1 = (int)(Math.random() * 10); int number2 = (int)(Math.random() * 10); if (number1 < number2) { int temp = number1; number1 = number2; number2 = temp; } System.out.print ("What is " + number1 + "-" + number2 + "?"); Scanner input = new Scanner(System.in); int answer = input.nextInt(); if (number1 - number2 == answer) System.out.println("You are correct!"); else{ System.out.println("Your answer is wrong."); System.out.println(number1 + "-" + number2 + "should be " + (number1-number2)); } } }

    3-4
    import java.util.Scanner;
    
    public class Hua04  
    {
        public static void main(String[] args) 
        {
            Scanner input = new Scanner(System.in);
    
            System.out.print("Enter weight in kilograms:");
            double weight = input.nextDouble();
    
            System.out.print("Enter height in meters:");
            double height = input.nextDouble();
    
            double bmi = weight/(height * height);
    
            System.out.println("BMI is " + bmi);
            if (bmi < 18.5)
                System.out.println("Underweight");
            else if (bmi < 25)
                System.out.println("Normal");
            else if (bmi < 30)
                System.out.println("Overweight");
            else
                System.out.println("Obese");
        }
    }

    3-6
    import java.util.Scanner;
    
    public class Hua06
    {
        public static void main(String[] args) 
        {
            Scanner input = new Scanner(System.in);
    
            System.out.print("Enter an integer:");
            int number = input.nextInt();
            if (number % 2 == 0 && number % 3 ==0)
                System.out.println(number + " is divisible by 2 and 3.");
            if (number % 2 == 0 || number % 3 ==0)
                System.out.println(number + " is divisible by 2 or 3.");
            if (number % 2 == 0 ^ number % 3 ==0)
                System.out.println(number + " is divisible by 2 or 3, but not both.");
        }
    }

    3-7
    import java.util.Scanner;
    
    public class Hua07 
    {
        public static void main(String[] args) 
        {
            Scanner input = new Scanner(System.in);
    
            System.out.print("Enter a year:");
            int year = input.nextInt();
            boolean isLeapYear = (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0);
                System.out.println(year + " is a leap year?" + isLeapYear);
        }
    }

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  • 原文地址:https://www.cnblogs.com/520peng/p/7676275.html
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