String are immutable in Java. You can’t change them. You need to create a new string with the character replaced. String myName = "domanokz"; String newName = myName.substring(0,4)+'x'+myName.substring(5); Or...
How to determine an object’s class?
JFrame in full screen Java
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...
Chrome Error: You are using an unsupported command-line flag: –ignore-certifcate-errors. Stability and security will suffer
Converting the output is too late; the calculation has already taken place in integer arithmetic. You need to convert the inputs to double: System.out.println((double)completed/(double)total); Note that you don’t actually need to convert both of the inputs....
First, any time you run a script using the interpreter explicitly, as in $ python ./my_script.py $ ksh ~/bin/redouble.sh $ lua5.1 /usr/local/bin/osbf3 the #! line is always ignored. The #! line is a...
You can use java.net.HttpUrlConnection. Example (from here), with improvements. Included in case of link rot: public static String executePost(String targetURL, String urlParameters) { HttpURLConnection connection = null; try {...
You can use java.net.HttpUrlConnection. Example (from here), with improvements. Included in case of link rot: public static String executePost(String targetURL, String urlParameters) { HttpURLConnection connection = null; try {...
The ResourceConfig instance does not contain any root resource classes