40 【程序 40 字符串排序】
题目：字符串排序。
package cskaoyan;
public class cskaoyan40 {
@org.junit.Test
public void arraySort() {
java.util.Scanner in = new java.util.Scanner(System.in);
System.out.println("请输入3个字符串,每个字符串以回车结束!");
String[] str = new String[3];
for (int i = 0; i < 3; i++) {
str[i] = in.nextLine();
}
sort_arr(str);
System.out.println("排序后的结果为：");
print_arr(str);
in.close();
}
private void sort_arr(String[] array) {
for (int i = 0; i < array.length; i++) {
for (int j = 0; j < array.length - i - 1; j++) {
if (array[j].compareTo(array[j + 1]) > 0) {
String temp = array[j];
array[j] = array[j + 1];
array[j + 1] = temp;
}
}
}
}
private void print_arr(String[] array) {
for (int i = 0; i < array.length; i++) {
System.out.print(array[i] + " ");
}
System.out.println();
}
}