JavaDemo_0909_2334
//equals()方法覆写class Person
{
private String name;
private int age;
public Person(String name,int age)
{
this.name=name;
this.age=age;
}
public void setName(String name)
{
this.name=name;
}
public void setAge(int age)
{
this.age=age;
}
public String getName()
{
return this.name;
}
public int getAge()
{
return this.age;
}
public String toString()
{
return "姓名-->"+this.name+"年龄-->"+this.age;
}
public boolean equals(Object obj)
{
if(!(obj instanceof Person))
{
return false;
}
if(obj==null)
{
return false;
}
if(this==obj)
{
return true;
}
Person per=(Person) obj;
return this.name.equals(per.name) && this.age==per.age; // 在equals()方法中再调用equals方法？
}
}
public class JavaDemo_0909_2334
{
public static void main(String[] args)
{
Person perA=new Person("张三",22);
Person perB=new Person("张三",22);
System.out.println(perA.equals(perB));
}
}
页:
[1]