Object & Class in Java
No.
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Object
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Class
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1)
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Object is an instanceof a class.
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Class is a blueprint or templatefrom which objects are created.
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2)
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Object is a real world entity such as pen, laptop, mobile, bed, keyboard, mouse, chair etc.
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Class is a group of similar objects.
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3)
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Object is a physicalentity.
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Class is a logicalentity.
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4)
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Object is created through new keywordmainly e.g.
Student s1=new Student();
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Class is declared using class keyworde.g.
class Student{}
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5)
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Object is created many times as per requirement.
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Class is declared once.
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6)
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Object allocates memory when it is created.
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Class doesn't allocated memory when it is created.
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7)
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There are many ways to create object in java such as new keyword, newInstance() method, clone() method, factory method and deserialization.
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There is only one way to define class in java using class keyword.
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