JAVA 身份证验证

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.util.Date;

public class JavaString {

public static void main(String[] args) {

try {

Date time = new Date();

int year = time.getYear();

String str;

InputStreamReader stdin = new InputStreamReader(System. in ); // 键盘输入

BufferedReader bufin = new BufferedReader(stdin);

System. out .print( "Input ： " );

str = bufin.readLine();

if (str.length() == 18) {

String b = str.substring(8, 10);

int c = Integer.parseInt(b);

int age = year - c;

System. out .println( "Age ： " + age);

} else {

System. out .println( "Input must equales 18 wei!" );

}

} catch (IOException E) {

System. out .println( " 发生 I/O 错误 !!!" );

}

}

}