Introduction to Java Programming 编程题5.5<对三个数排序>

/******************************************
Enter three digit number to sort: 11 -9 -1
-9 -1 11
Enter three digit number to sort: 123 11 1
1 11 123
******************************************/
import java.util.Scanner;

public class SortedNumber {
public static void main (String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Enter three digit number to sort: ");
int number1, number2, number3;
number1 = input.nextInt();
number2 = input.nextInt();
number3 = input.nextInt();
displaySortedNumbers(number1, number2, number3);
}

public static void displaySortedNumbers(int num1, int num2, int num3) {
int temp;
if (num1 > num2) {
temp = num1;
num1 = num2;
num2 = temp;
}
if (num1 > num3) {
temp = num1;
num1 = num3;
num3 = temp;
}
if (num2 > num3) {
temp = num2;
num2 = num3;
num3 = temp;
}
System.out.println(num1 + " " + num2 + " " + num3);
}
}