The ResourceConfig instance does not contain any root resource classes
Basically I corrected it like below and everything worked fine.
java
Is there an equivalent to the Scanner class in C# for strings?
In Java I can pass a Scanner a string and then I can do handy things like, scanner.hasNext() or scanner.nextInt(), scanner.nextDouble() etc. This allows some pretty clean code for parsing a string that contains rows of numbers. How is this done in C# land? If you had a string that say had: In Java I … Read more
How to send HTTP request in java?
You can use java.net.HttpUrlConnection. Example (from here), with improvements. Included in case of link rot:
How to send HTTP request in java? [duplicate]
You can use java.net.HttpUrlConnection. Example (from here), with improvements. Included in case of link rot:
Division of integers in Java
Converting the output is too late; the calculation has already taken place in integer arithmetic. You need to convert the inputs to double: Note that you don’t actually need to convert both of the inputs. So long as one of them is double, the other will be implicitly converted. But I prefer to do both, for symmetry.
Chrome Error: You are using an unsupported command-line flag: –ignore-certifcate-errors. Stability and security will suffer
You can add this to the shortcut of the chrome browser, in the Target portion: This would disable any warning messages. Not the best solution, but it works.
Java better way to delete file if exists
Starting from Java 7 you can use deleteIfExists that returns a boolean (or throw an Exception) depending on whether a file was deleted or not. This method may not be atomic with respect to other file system operations. Moreover if a file is in use by JVM/other program then on some operating system it will not be … Read more
Replace a character at a specific index in a string?
String are immutable in Java. You can’t change them. You need to create a new string with the character replaced. Or you can use a StringBuilder: