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1,535 PointsInteger question!
Why do I have to put Integer.parsInt for age but not for ageOfBob?
3 Answers
Enrique Munguía
14,311 PointsThe purpose of Integer.parseInt() is convert a number represented as a String to number. This is a subtle but important difference, in Java "23" is radically different than 23, one is a String a the other is an integer. In the example age is a String and ageOfBob is an integer.
kabir k
Courses Plus Student 18,036 PointsAn example of where you'll encounter "23" (a string) in your program is if a user enter 23 as their age which will be a String and you will have to convert it to an integer using
int age = Integer.parseInt("23");
where "23" is the user input or whatever variable that's storing it.
An example of integer, 23 in your program is if say, you set the integer variable, ageOfBob to 23 yourself like so
int ageOfBob = 23;
Manu yadav
Courses Plus Student 498 Pointsu can use it where ever u want (just for getting int from strings) it depends on Program.
Anthony Tran
Courses Plus Student 4,821 PointsAnthony Tran
Courses Plus Student 4,821 PointsIn what circumstances is "23" used over 23?