I have set JAVA_HOME in my system C:\Program Files\Java\jdk1.8.0_ 131\bin; and I am trying to run cordova command( cordova build ) on command prompt, but I’m getting the error bellow. I have tried all the ways, but not able to resolve this issue: ERROR: JAVA_HOME is set to an invalid directory: C:\Program Files\Java\jdk1.8.0_ 131\bin; I … Read more
How do I use the useDelimiter() method of the Scanner class to use both the comma (,) and the new line character (\n) as delimiters? I am parsing some text from a csv file.
Try this: (not sure how many changes you have already made)
If you want to do it in your way I mean first square the value of each number,keep it in a variable and add it to the sum you can use a different variable instead of n to store the square value of each number like this :
Have a look at the Java Virtual Machine Specification, chapter 2.9. It say on the <init> name: At the level of the Java Virtual Machine, every constructor written in the Java programming language (JLS §8.8) appears as an instance initialization method that has the special name <init>. This name is supplied by a compiler. Because … Read more
You are storing the thread in a field. If the method is called in two threads, the readThread.start() can be called twice for the same thread. You need to ensure readCommand is not called multiple times and perhaps not start the readThread again if its already running. e.g. you can synchronized the method and check … Read more
You could use new GregorianCalendar(theYear, theMonth, theDay).getTime(): public GregorianCalendar(int year, int month, int dayOfMonth) Constructs a GregorianCalendar with the given date set in the default time zone with the default locale.
Try this… – The problem here is about the scope of the variable. – i should be declared of type int, which is local to the run() method instead of n, as n is another local variable in fibNumber() method. – i and n are totally in different scope and are invisible to each other.
Warning: It defeats the purpose of StringBuilder, but it does what you asked. Better technique (although still not ideal): Reverse each string you want to insert. Append each string to a StringBuilder. Reverse the entire StringBuilder when you’re done. This will turn an O(n²) solution into O(n).
Apache Commons is generally known as a solid project. Keep in mind, though, you’ll still have to send a verification email to the address if you want to ensure it’s a real email, and that the owner wants it used on your site. EDIT: There was a bug where it was too restrictive on domain, … Read more