Resource Leak Error

Question

Evening all. I am a complete beginner to programming with Java, and I am learning about \"Scanner\", but when I type this basic code into Eclipse, I get a message saying \"R

Answer 1

Because you are nowhere closing your Scanner. This is problem (classes that deal with I/O should be closed after you're done). You need to close it:

scanner.close();

So a whole code can looks like:

Scanner scanner = new Scanner(System.in);
try {
   // work
}
finally {
   if (scanner != null) {
      scanner.close();
   }
}