object equals method in java example
The equals() method compares two objects for equality and returns true if they are equal. The equals() method provided in the Object class uses the identity operator ( == ) to determine whether two objects are equal. For primitive data types, this gives the correct result.
=======================================================================================
// (Object.equals)
class Rect
{
int l,b;
int area()
{
return l*b;
}
Rect(int l,int b)
{
this.l=l;
this.b=b;
}
public boolean equals(Rect obj)
{
if(this.area()==obj.area())
{
return true;
}
else
{
return false;
}
}
public static void main(String []s)
{
Rect r1=new Rect(3,8);
Rect r2=new Rect(6,4);
System.out.println(r1.equals(r2));
}
}
=======================================================================================
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