import java.util.Scanner;
public class introduce {
public static void main(String[] args) {
String str="name:licongcong,from:hangzhou,like:meizi,job:chenxuyuan";
Scanner sc=new Scanner(System.in);
String shuru=sc.nextLine();
String name="name";
String from="from";
String like="meizi";
String job="chenxuyuan";
if(shuru.equals(name)){
System.out.println("licongcong");
}else if(shuru.equals(from)){
System.out.println("hangzhou");
}else if(shuru.equals(like)){
System.out.println("meizi");
}else if(shuru.equals(job)){
System.out.println("chenxuyuan");
}else{
System.out.println("l do not what you say.Are you kidding?");
}
//插入
insert();
delete();
replace();
System.out.println("Wonderful!你已经完美解决了这个问题！");
}
private static void replace() {
// TODO Auto-generated method stub
String str ="name:licongcong,from:hangzhou,like:meizi,job:chenxuyuan" , str22;//定义str11,str22
String regex = "cong" , substr="hum";//准备替换的regex,替换成 hum
System.out.println("改之前的: " + str);
str = str.replaceAll(regex, substr); //把cong全都替换成hum
System.out.println("改之后的: " + str);
}
private static void delete() {
// TODO Auto-generated method stub
StringBuffer str = new StringBuffer("name:licongcong,from:hangzhou,like:meizi,job:chenxuyuan");
System.out.println("删除之前：" + str);
str.delete(5, 15);
System.out.println("删除之后： " + str);
}
private static void insert() {
// TODO Auto-generated method stub
StringBuffer str = new StringBuffer("name:licongcong,from:hangzhou,like:meizi,job:chenxuyuan");
System.out.println("插入之前: "+str);
str.insert(16, "l am very hum!");
System.out.println("插入语句："+str);
}
}
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