Which of the following is the correct syntax to convert an int variable num to an Integer object?

easy📝 Syntax Q12 of 15

Java - Wrapper Classes

Which of the following is the correct syntax to convert an int variable num to an Integer object?

A<code>Integer numObj = Integer.valueOf(num);</code>

B<code>Integer numObj = Integer.parseInt(num);</code>

C<code>Integer numObj = num.intValue();</code>

D<code>Integer numObj = Integer.toString(num);</code>

Step-by-Step Solution

Solution:

Step 1: Identify method to get Integer object
valueOf converts primitive int to Integer object.
Step 2: Check other options
parseInt returns primitive int, not Integer object. intValue() is a method of Integer, not int. toString returns String, not Integer.
Final Answer:
Integer.valueOf(num) -> Option A
Quick Check:
valueOf returns Integer object [OK]

Quick Trick: Use valueOf to get Integer object from int [OK]

Common Mistakes:

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