I just want to know if there’s a better solution to parse a number from a character in a string (assuming that we know that the character at index...
I normally use the following idiom to check if a String can be converted to an integer. public boolean isInteger( String input ) { try { Integer.parseInt( input );...
I keep finding both on here and Google people having troubles going from long to int and not the other way around. Yet I’m sure I’m not the only...
How do I convert a decimal to an int? 13 Answers 13
This question’s answers are a community effort. Edit existing answers to improve this post. It is not currently accepting new answers or interactions. Why are x and y strings...
I want to take an integer (that will be <= 255), to a hex string representation e.g.: I want to pass in 65 and get out '\x41', or 255...
I was reading More Joel on Software when I came across Joel Spolsky saying something about a particular type of programmer knowing the difference between an int and an...
For example why can you do: int n = 9; But not: Integer n = 9; And you can do: Integer.parseInt("1"); But not: int.parseInt("1"); 11 Answers 11
This question already has answers here: What’s the best way to check if a String represents an integer in Java? (40 answers) Closed 8 years ago. I’m trying to...
How do I divide two integers to get a double? 8 Answers 8