Go Lang

Which of the following statements is true?

• Go is a procedural language

• Go is a compile once, run anywhere kind of language with garbage collection

• Go is an object-oriented language without garbage collection

• Go is an object-oriented language with garbage collection

How should you declare variable "a" to be an exported (public) variable?

• var a

• public var a

• var A

• {export}var a

What is the default value for a variable of the string type?

• "" (the empty string)

• nill

• null

• The string type has no default value

Which of the following loop statements is available in Go?

• do ... while

• while

• for

• Only "while" and "for" are available

Statements about Type Conversion:

1) Type conversions convert value of one type to another

2) Expression T(v) converts value v to the type T, e.g. float64(i)

3) In Go assignments between items of different type require an explicit conversion

Which of the answers is true?

• 1 + 2 are true, 3 is false

• 1+3 are true, 2 is false

• 1 is false, 2+3 are true

• 1+2+3 are true

What is the output of the following program that is executed on a OS X (runtime.GOOS = "darwin") computer?

• Apple

• Apple, Microsoft

• Apple, Microsoft, Too many to count, darwin unknown manufacurer

• The program gives a compilation error

What is the output of the final Println?

• This gives a compilation error

• The last fmt.Println prints 0

• The last fmt.Println prints 9

• The last fmt.Println prints 10

What is the output of the following program?

• 8, 12

• 16, 30

• 16, 64

• 20, 30

What is the output of the following program?

• 2, 3

• 4, 3

• 5, 5

• The program gives a compilation error

What is the output of the following program?

• Get Ready!

  Go!

  1

  2

  3

  What?

• Get Ready!

  What?

  Go!

  1

  2

  3

• Get Ready!

  3

  2

  1

  Go!

  What?

• Get Ready!

  What?

  3

  2

  1

  Go!