第1个回答 2012-10-27
一个生成随机字符串的方法:
public static String random(int length){
StringBuilder builder = new StringBuilder(length);
for(int i = 0; i < length; i++){
builder.append((char)(ThreadLocalRandom.current().nextInt(33,128)));
}
return builder.toString();
}本回答被网友采纳
第3个回答 2012-10-28
public static String random(int length){
StringBuilder builder = new StringBuilder(length);
for(int i = 0; i < length; i++){
builder.append((char)(ThreadLocalRandom.current().nextInt(33,128)));
}
return builder.toString();
}