上级练习1
package cn.第十五章上级题;
import java.util.Scanner;
public class Shangjilianxi2 {
public boolean show(String sf, String sj, String zj) {
boolean flag = false;
if (sf.length() != 16 && sf.length() != 18) {
System.out.println("身份证号必须16或18位");
}else{
if (sj.length() != 11) {
System.out.println("手机号必须是11位");
}else{
String[] ss = zj.split("-");
if (ss[0].length() != 4 || ss[1].length() != 7) {
System.out.println("座机号不正确:");
} else {
flag = true;
}
}
}
return flag;
}
public static void main(String[] args) {
Shangjilianxi2 q = new Shangjilianxi2();
boolean b = false;
do {
Scanner input = new Scanner(System.in);
System.out.println("请输入身份证:");
String name = input.next();
System.out.println("请输入手机号:");
String pwd1 = input.next();
System.out.println("请输入座机号:");
String pwd2 = input.next();
b = q.show(name, pwd1, pwd2);
} while (!b);
System.out.println("注册成功");
}
}
package cn.上机练习1;
import java.util.Scanner;
public class Register {
public static void main(String[] args) {
Scanner input=new Scanner(System.in);
String name,mima;
System.out.println("请输入用户名:");
name=input.next();
System.out.println("请输入密码:");
mima=input.next();
System.out.println(name.toLowerCase());
System.out.println(mima.toUpperCase());
if(name.toLowerCase().equals(("TOM").toLowerCase())&&mima.toUpperCase().equals(("1234567").toUpperCase())){
System.out.println("注册成功");
}else{
System.out.println("注册失败,密码长度小于6位");
}
}
}