What is the equivalent of "good honors degree" in terms of universities in EU The requirements for applying for a master's programme in National University of Singapore are stated as


  The candidates must possess:
  
  
  A good honours degree in computing; or 
  A good honours degree in a related discipline with 2 years IT industry experience; or 
  A good bachelor's degree in computing with 2 years IT industry experience; or
  A good bachelor's or honours degree in business related discipline    with 2 years IT industry experience.
  


In my country, a student is considered as an honorable student if he/she completes his/her education with a GPA over 3.00/4.00 but I don't know what is a good honour degree?

I have looked it up on Google but there are a lot of different definitions.
Also, I could not find any statements in the university website. Can you help me?
For historical reasons, Singapore often uses the U.K degree classification system.   'Good Honours Degree' usually means either 'First class Honours' or 'Upper Second Class Honours'.   These map (approximately) onto the U.S 'cum laude' classifications.

For more info, see Wikipedia 'British undergraduate degree classification'.