public void testSort3(){
String stringClass="0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
StringBuilder sc = new StringBuilder() ;
List<String> stringList = new ArrayList<String>();
Random random=new Random();
String s=new String();
int temp=0;
while (temp<10) {
do {
int r=random.nextInt(10)+1;
for (int i = 0; i < r; i++) {
// 每条字符串的每个字符都为随机生成的字符,字符可以重复
int j =random.nextInt(63);
//获取每个单个字符
char c = stringClass.charAt(j);
//往sc追加字符
sc.append(c);
}
s=sc.toString();
sc.delete(0,sc.length());
}while (stringList.contains(s));
stringList.add(s);
System.out.println("成功添加字符串:"+s);
temp++;
}
System.out.println("---------------排序前-------------");
for (String string:stringList) {
System.out.print(string+" ");
}
//调用sort方法进行排序
Collections.sort(stringList);
System.out.println("\n---------------排序后-------------");
for (String string:stringList) {
System.out.print(string+" ");
}
}
/**
*
* @param args
*/
public static void main(String []args){
CollectionsTest ct=new CollectionsTest();
//ct.testSort1();
//ct.testSort2();
ct.testSort3();
}