Here's everything you need to know about Java operators and operator types, and how to use them to write expressions for your Java programs.

Example: “Puppies contains:pdf” – By typing this query into Bing, you would only websites that have PDF files about puppies. Define: I’m sure that all of you know this operator!

The operator "filetype:" is also useful. For example, you could narrow your results to only include PDFs. Google ...