/*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 }
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