numberformatexception

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Why NumberFormatException is runtime?

Runtime exceptions indicate broken contract (like NPE) and should never be thrown if code has no errors. It always indicates error in code (same as asserts but asserts are for internal class errors wh[详细]

2023-03-31 04:39 分类：问答
Java Byte.parseByte() error

I\'m having a small error in my code that I can not for the life of me figure out. I have an array of strings that are representations of binary data (after converting them from hex) for example:[详细]

2023-03-27 07:00 分类：问答
Convert hex color value ( #ffffff ) to integer value

I am receiving hex color values from a server (in this form, #xxxxxx , example #000000 for black) How do I convert this to an integer value?[详细]

2023-03-24 22:03 分类：问答
Passing long to Double.parseDouble

When I pass in a number like 100L to Double.parseDouble() I get a 开发者_StackOverflow中文版NumberFormatException.[详细]

2023-03-19 13:02 分类：问答
What does this exception mean?

I am working on implementing a simulated annealing program and part of this involves calculating scores from a .txt file that my java program reads.[详细]

2023-03-01 00:17 分类：问答
I need to provide to separate exception statements. 1. empty string and 2. valid numeric data

try{ BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); System.out.println(\" Enter the Amount of articles to be ordered.\");[详细]

2023-02-28 07:20 分类：问答
java.lang.NumberFormatException: For input string: " "

When I try to do this: total = Integer.parseInt(dataValues_fluid[i]) + total; It will give me an err开发者_Python百科or message[详细]

2023-02-21 11:04 分类：问答
Android Number Format Exception using EditText

I have a simple process running Put simply the user inputs a number into an EditText, picks Radio Button and then presses calculate. The radio buttons are connected to if statements that in turn dire[详细]

2023-02-13 11:42 分类：问答
Clojure not catching NumberFormatException

In the following code, Clojure (1.2) is printing the wrong message: (try (let [value \"1,a\"] (map #(Integer/parseInt %) (.split value \",\")))[详细]

2023-02-09 06:22 分类：问答
Java Merging two sets of arrays from a user input -- How do I deal with nulls?

I\'m writing a program for CS class assignment. Basically it\'s a method that takes to command line arguments. Something like a CSV, so to call the call I do merge followed be the csv\'s.[详细]

2023-02-06 14:39 分类：问答