zoukankan      html  css  js  c++  java
  • 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);
        }
    }

  • 相关阅读:
    Thinking in Java Reading Note(9.接口)
    Thinking in java Reading Note(8.多态)
    Thinking in Java Reading Note(7.复用类)
    SQL必知必会
    Thinking in Java Reading Note(5.初始化与清理)
    Thinking in Java Reading Note(2.一切都是对象)
    鸟哥的Linux私房菜笔记(1.基础)
    Thinking in Java Reading Note(1.对象导论)
    CoreJava2 Reading Note(2:I/O)
    CoreJava2 Reading Note(1:Stream)
  • 原文地址:https://www.cnblogs.com/520peng/p/7676275.html
Copyright © 2011-2022 走看看