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public void testSortString(){

List<String> stringList=new ArrayList<String>();

Random random=new Random();

//產(chǎn)生隨機(jī)字符串

for(int j=0;j<10;j++){

StringBuffer sb=new StringBuffer();

int num=random.nextInt(10)+1;

do{

for(int i=0;i<num;i++){

String str="qwertyuioplkjhgfdsazxcvbnmQWERTYUIOPLKJHGFDSAZXCVBNM1234567890";

int n=random.nextInt(str.length());

sb.append(str.charAt(n));

//sb[j]+=str.charAt(n);

}

System.out.println("將要添加的字符串:"+sb);

}while(stringList.contains(sb.toString()));

stringList.add(sb.toString());

}

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);

}

}