Which of the following lines will cause a syntax error when creating an object of class Animal?

easy📝 Syntax Q3 of 15

Java - Classes and Objects

Which of the following lines will cause a syntax error when creating an object of class Animal?

AAnimal a = new Animal;

BAnimal a = new Animal();

CAnimal a = new Animal(5);

DAnimal a = new Animal()

Step-by-Step Solution

Solution:

Step 1: Identify correct object creation syntax
In Java, when creating an object, parentheses must follow the constructor call, even if empty.
Step 2: Analyze each option
Animal a = new Animal; misses parentheses after new Animal, causing a syntax error. Options A, C, and D are syntactically correct (assuming constructor with int parameter exists for C).
Final Answer:
Animal a = new Animal; -> Option A
Quick Check:
Missing parentheses after constructor = syntax error [OK]

Quick Trick: Always use parentheses after constructor call, even if empty [OK]

Common Mistakes:

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