/*3-6.程序员;龚猛*/
1 package zhenshu; 2 import java.util.Scanner; 3 public class text { 4 5 public static void main(String[] args) { 6 Scanner input = new Scanner(System.in); 7 8 System.out.print("Enter an integer："); 9 int number = input.nextInt(); 10 11 if (number % 2 == 0 && number % 3 == 0) 12 System.out.println(number + "is divisible by 2 and 3."); 13 14 if (number % 2 == 0 || number % 3 == 0) 15 System.out.println(number + "is divisible by 2 and 3."); 16 17 if (number % 2 == 0 ^ number % 3 == 0) 18 System.out.println(number + "is divisible by 2 and 3. but not both."); 19 20 } 21 22 }
1 /*3-7*/ 2 package zhenshu; 3 import java.util.Scanner; 4 public class Year { 5 6 public static void main(String[] args) { 7 Scanner input = new Scanner(System.in); 8 System.out.print("Enter a year:"); 9 int year = input.nextInt(); 10 11 boolean isLeapYear = 12 (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0); 13 14 System.out.println(year + "is a leap year?" + isLeapYear); 15 } 16 17 }
1 /*3-8*/ 2 package zhenshu; 3 import java.util.Scanner; 4 public class lottery { 5 6 public static void main(String[] args) { 7 int lottery = (int)(Math.random() * 100); 8 9 Scanner input = new Scanner(System.in); 10 System.out.print("Enter your lottery pick (two digits):"); 11 int guess = input.nextInt(); 12 13 int lotteryDigit1 = lottery / 10; 14 int lotteryDigit2 = lottery % 10; 15 16 int guessDigit1 = guess / 10; 17 int guessDigit2 = guess % 10; 18 19 System.out.println("The lottery number is" + lottery); 20 21 if(guess == lottery) 22 System.out.println("Exact match: you win $10,000"); 23 24 else if(guessDigit2 == lotteryDigit1 && guessDigit2 == lotteryDigit2 ) 25 System.out.println("Match all digits: you win $3,000"); 26 else if(guessDigit1 == lotteryDigit1 || guessDigit1 == lotteryDigit2 27 ||guessDigit2 == lotteryDigit1 || guessDigit2 == lotteryDigit2) 28 System.out.println("Match all digits: you win $1,000"); 29 else 30 System.out.println("Sorry,no match"); 31 32 33 34 } 35 36 }
1 /*3-9*/ 2 package zhenshu; 3 4 import java.util.Scanner; 5 6 public class ChinaYear { 7 8 public static void main(String[] args) { 9 Scanner input = new Scanner(System.in); 10 11 System.out.print("Enter a year:"); 12 int year = input.nextInt(); 13 14 switch (year % 12){ 15 case 0: System.out.println("monkey"); break; 16 case 1: System.out.println("rooster"); break; 17 case 2: System.out.println("dog"); break; 18 case 3: System.out.println("pig"); break; 19 case 4: System.out.println("rat"); break; 20 case 5: System.out.println("ox"); break; 21 case 6: System.out.println("tiger"); break; 22 case 7: System.out.println("rabbit"); break; 23 case 8: System.out.println("dragon"); break; 24 case 9: System.out.println("snake"); break; 25 case 10: System.out.println("horse"); break; 26 case 11: System.out.println("sheep"); break; 27 } 28 } 29 30 }
