import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;
public class CollectionsTest {
/**
* 随机生成10个字符串。并对它进行排序。
*
* @param args
*/
public void testSort3() {
List<String> stringList = new ArrayList<String>();
String charList = "1234567890qwertyuiopasdfghjklzxcvbnm" + "QWERTYUIOPASDFGHJKLZXCVBNM";
int listLong = charList.length();
Random random = new Random();
int j = 1;
while (j <= 10) {
StringBuffer tempStrBuf = new StringBuffer();
for (int i = 0; i < random.nextInt(9) + 1; i++) {
int k = random.nextInt(listLong);
tempStrBuf.append(charList.charAt(k));
}
String tempStr = tempStrBuf.toString();
stringList.add(tempStr);
System.out.println("成功添加字符串:'" + tempStr + "'");
j++;
}
System.out.println("-----------------排序前--------------");
for (String string : stringList) {
System.out.println("元素:" + string);
}
Collections.sort(stringList);
System.out.println("-----------------排序后--------------");
for (String string : stringList) {
System.out.println("元素:" + string);
}
}
public static void main(String[] args) {
CollectionsTest ct = new CollectionsTest();
ct.testSort3();
}
}