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Core Java · interview question

Which bug is the main problem in the following code snippet that tries to calculate the total cart value?

Multiple choiceEasychapter-1-curatedpremiumcore-javacode-reading-and-debugging
java
double subtotal = 45.50;
double total;
total += subtotal;
Choose one answer
Answer and explanation

Correct answer

A. Missing initialization of the 'total' variable.

Why

The variable 'total' is used without being initialized, which can lead to compile-time errors. Variables should be initialized before they are used in calculations.

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