第1个回答 2014-10-16
public class Array
{
private static boolean isNotDump(String input)
{
int i = 0, j = 1;
while(i < input.length())
{
while(j < input.length())
{
if(input.charAt(i) == input.charAt(j))
{
return false;
}
j++;
}
i++;
}
return true;
}
public static void main(String[] args)
{
System.out.println(isNotDump("11111"));
System.out.println(isNotDump("12345"));
}
}本回答被提问者和网友采纳