字符拆分 邮箱

public class demo14 {public static void main(String[] args) {String words="长亭外 古道边 芳草碧连天 晚风扶 柳笛声残 夕阳山外山 ";String[]printWord=new String[100];System.out.println("***原歌词合适***\n"+words);System.out.println("\n***拆分后歌词格式***");printWord=words.split(" ");for(int i=0;i<printWord.length;i++){System.out.println(printWord[i]);}}}

import java.util.Scanner;public class demo13 {public static void main(String[] args) {boolean fileCorrect=false;boolean emailCorrect=false;System.out.println("---欢迎进入作业提交系统---");Scanner input=new Scanner(System.in);System.out.println("请输入JAVA文件名:");String name=input.next();System.out.println("请输入你的邮箱:");String email=input.next();int index=name.indexOf(".");if(index!=-1&&index!=0&&name.substring(index+1,name.length()).equals("java")){fileCorrect=true;}else{System.out.println("文件无效");}if(email.indexOf('@')!=-1&&email.indexOf('.')>email.indexOf('@')){fileCorrect=true;}else{System.out.println("E-mail无效");}if(fileCorrect&&emailCorrect){System.out.println("作业提交成功!");}else{System.out.println("作业提交失败!");}}}