题解 | #确定字符互异#
确定字符互异
https://www.nowcoder.com/practice/9618c2a9e8a14c3e82954ee14168f592
import java.util.*;
public class Different {
public boolean checkDifferent(String iniString) {
// write code here
boolean flag = true;
for(int i =0;i<iniString.length();i++){
char ch = iniString.charAt(i);
if(iniString.indexOf(ch)!=iniString.lastIndexOf(ch)){
flag = false;
break;
}
}
return flag;
}
}
