Chrome does not support localhost for CORS requests (a bug opened in 2010, marked WontFix in 2014). To get around this you can use a domain like localho.st (which points at 127.0.0.1 just like localhost) or start chrome with the –disable-web-security flag (assuming you’re just testing).
Double is an object and double is a primitive data type. See this answer for more details. The Double class wraps a value of the primitive type double in an object. An object of type Double contains a single field whose type is double. Source: http://docs.oracle.com/javase/7/docs/api/java/lang/Double.html
Your example should work; however there’s no reason to append each tab character individually. This works, too: The errors you are getting are not related to the tab characters.
You can get a Color instance with the simple code: Then, you can set RGB color to your object with something like that: Hope it helps you!
Try using String.replace() or String.replaceAll() instead. (Both replace all occurrences; replaceAll allows use of regex.)
To understand the arguements read the javadoc: http://docs.oracle.com/javase/7/docs/api/java/awt/Graphics.html#drawArc(int,%20int,%20int,%20int,%20int,%20int)
A run time error will only occur when the code is actually running. These are the most difficult – and lead to program crashes and bugs in your code which can be hard to track down. An example might be trying to convert a string: “hello” into an integer: The compiler may not see this … Read more
Java map: An object that maps keys to values. A map cannot contain duplicate keys; each key can map to at most one value. Java list: An ordered collection (also known as a sequence). The user of this interface has precise control over where in the list each element is inserted. The user can access … Read more
In Java 8:
I think you need to include the regex OR operator: What you have will match:[DASH followed by DOT together] -.not[DASH or DOT any of them] – or .