java密码验证合格程序
密码验证合格程序
http://www.nowcoder.com/questionTerminal/184edec193864f0985ad2684fbc86841
import java.util.Scanner;
public class Main{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
while(sc.hasNext()){
String str = sc.nextLine();
int[] judge = new int[3];
int len = str.length();
//1.长度超过8位
if(len > 8){
judge[0] = 1;
}
//2.包括大小写字母.数字.其它符号,以上四种至少三种
int[] judgeChar = new int[4];
int count = 0;
for(int i = 0; i < len; i++){
char c = str.charAt(i);
if(c >= 'a' && c <= 'z'){
if(judgeChar[0] > 0){
}else{
judgeChar[0]++;
count++;
}
}else if(c >= 'A' && c <= 'Z'){
if(judgeChar[1] > 0){
}else{
judgeChar[1]++;
count++;
}
}else if(c >= '0' && c <= '9'){
if(judgeChar[2] > 0){
}else{
judgeChar[2]++;
count++;
}
}else{
if(judgeChar[3] > 0){
}else{
judgeChar[3]++;
count++;
}
}
}
if(count >= 3){
judge[1] = 1;
}
//3.不能有相同长度大于2的子串重复
String subStr = new String();
int flag = 0;
for(int i = 0; i < len - 4; i++){
subStr = str.substring(i,i + 3);
if(str.substring(i + 1).contains(subStr)){
flag = 1;
}
}
if(flag == 0){
judge[2] = 1;
}
if(judge[0] == 1 && judge[1] == 1 && judge[2] == 1){
System.out.println("OK");
}else{
System.out.println("NG");
}
}
sc.close();
}
}
