Java - Command Line Arguments
Which Java method is used to convert a String containing a whole number into an int?
Which Java method is used to convert a String containing a whole number into an int?
easy📝 Conceptual Q11 of 15
Step-by-Step Solution
Solution:
Step 1: Identify method for integer parsing
The methodInteger.parseInt(String s)converts a string to an int.Step 2: Compare with other options
Double.parseDoubleparses decimals,String.toInt()does not exist, andInteger.toStringconverts int to string.Final Answer:
Integer.parseInt(String s) -> Option AQuick Check:
Whole number parsing = Integer.parseInt [OK]
Quick Trick: Use Integer.parseInt for whole numbers [OK]
Common Mistakes:
- Using Double.parseDouble for integers
- Trying to call non-existent String.toInt()
- Confusing toString() with parsing
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