public class HelloWorld{
String name;
String sex;
int age;
public HelloWorld(){
name="tom";
System.out.println("通过构造器初始化姓名");
}
{
sex="男";
System.out.println("通过普通代码块初始化性别");
}
static{
age=22;
System.out.println("通过静态代码块初始化年龄");
}
public void show(){
Sysotem.out.println("姓名"+name+" "+"性别"+sex
