public?void?testStringSort2(){
//創建一個String泛型的List對象
List<String>?stringList?=?new?ArrayList<String>();
//創建一個字符表
char[]?character?=?{'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z',
'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'};
//創建一個隨機數生成器
Random?random?=?new?Random();
//創建一個String對象接收生成字符串
String?str?=?"";
//生成十個長度在10以內的隨機字符串
for(int?i?=?0;?i?<?10;?i++){
for(int?j?=?0;?j?<?random.nextInt(10)+1;?j++){
str?+=?character[random.nextInt(62)];
}
stringList.add(str);
System.out.println("成功添加字符串:"?+?str);
str?=?"";
}
//把排序前后List進行比較
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);
}
}
2016-03-08
Sorry, I don't understand
2016-03-08
what do you want to say??