Hi How can I change an array list to integer or double? this is my code and i want show answer like a number and i use it not just print it ...

here we are converting string values to the integer without using library functions.

Failed to convert value of type 'java.lang.String' to required type 'int'; For input string: "load_form"] #4082 Closed Akashasd07 opened on Mar 8, 2024 ...

What's the difference between an Integer and int in Java? Here we compare these two Java data types for usage, performance and when to choose an int or an Integer in your code.