Which of the following is the correct way to call an instance method display() of an object obj?

easy📝 Syntax Q12 of 15

Java - Classes and Objects

Which of the following is the correct way to call an instance method display() of an object obj?

Adisplay();

Bstatic display();

CClassName.display();

Dobj.display();

Step-by-Step Solution

Solution:

Step 1: Recall instance method call syntax
Instance methods are called using the object name followed by dot and method name, like obj.display();.
Step 2: Check other options
Calling without object or using class name is for static methods; static display(); is invalid syntax.
Final Answer:
obj.display(); -> Option D
Quick Check:
Call instance method with object name [OK]

Quick Trick: Use objectName.methodName() to call instance methods [OK]

Common Mistakes:

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