Object类学习 equals() 方法和toString()方法覆写

最新推荐文章于 2022-10-02 22:00:00 发布

u011458722

最新推荐文章于 2022-10-02 22:00:00 发布

阅读量115

点赞数

 
  classPerson 
{
 privateStringname; 
 privateintage; 
 publicPerson(Stringname,intage) 
{
 this.name=name; 
 this.age=age; 
}
 publicStringtoString() 
{
 return"Name:"+this.name+",Age:"+this.age; 
}
 publicbooleanequals(Objectobj) 
{
 if(!(objinstanceofPerson)) 
{
 returnfalse; 
}
Personp=(Person)obj;
 booleanflag=false; 
 if(this.name.equals(p.name)&this.age==p.age) 
{
 flag=true; 
}
 returnflag; 
}
}
 publicclassOODemo02 
{
 publicstaticvoidmain(String[]agrs) 
{
 Personp1=newPerson("lincon",24); 
 Personp2=newPerson("lincon",24); 
System.out.println(p1.equals(p2));
 System.out.println(p1.equals(123)); 
System.out.println(p1);
}
}
 