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class Person
{
private static int age;
private String name;
static{
age = 2; //把该类的默认年龄改为2
new Person(6); //创建一个新的对象并且传入年龄参数6
}
Person(){
System.out.println("A:age="+age+",name="+name);
}
Person(int age){
this.age = age;
System.out.println("B:age="+age+",name="+name);
}
}
class PersonDemo
{
public static void main(String[] args){
Person p1 = new Person();
}
}