How can I check if an input is a integer or String, etc.. in JAVA?

Question

I am wondering how I can check if a user\'s input is a certain primitive type (I mean integer, String, etc... I think it\'s called primitive type?). I want a user to input s

Answer 1

Scanner input = new Scanner (System.in);

if (input.hasNextInt()) System.out.println("This input is of type Integer.");
else if (input.hasNextFloat()) System.out.println("This input is of type Float.");
else if (input.hasNextLine()) System.out.println("This input is of type string."); 
else if (input.hasNextDouble()) System.out.println("This input is of type Double."); 
else if (input.hasNextBoolean()) System.out.println("This input is of type Boolean.");  

  else if (input.hasNextLong())
    System.out.println("This input is of type Long.");