To view the metadata of a presentation, click the ________ tab

What is the meaning of ( ) in the following lambda?

() -> System.out.println("Welcome to lambdas!") a. the lambdas parameters are inferred b. the lambdas parameters are supplied by a method reference c. the lambda has an empty parameter list d. the given expression is not a valid lambda

The command to move the cursor to the next window is:

a: [Alt-x] o (letter O) b: [Ctrl-x] w c: [Ctrl-x][Ctrl-m] d: [Ctrl-x] o (letter O) e: [Ctrl-x] m