public?class?Test{
String?name;
String?sxe;
int?age;
public?Test(){

System.out.println("構(gòu)造無參函數(shù)");
}
public?Test(String?name){
this.name=name;
System.out.println(this.name);
}
public?Test(String?name,String?sxe){
this.name=name;this.sxe=sxe;
System.out.println(this.sxe+this.name);
}
public?Test(String?name,String?sxe,int?age){
this.name=name;this.sxe=sxe;
this.age=age;
System.out.println(name+sxe+age);
}
}
class?Su{
public?static?void?main(String[]?args){


Test?a=new?Test();
Test?b=new?Test("aa");
Test?c=new?Test("no","aa");
Test?d=new?Test("aa","no",20);
}
}