Internshala android app development final test answers

1.Koto needs to make a layout in which all the Views are aligned in a straight line. Which layout should Koto prefer for making this layout?

ANSWER: ( C ) LinearLayout

2.fun main() {

var a = 11

var b= = 22

a = a + b

b = a – b

a = a-b

print(“a: $a, b: $b”)

}

ANSWER: (D)
a:22, b: 11

The code is used to swap the values of two variables without using a third variable.

3.fun main() {

val a = 10

val b = 20

val c = 40

val d = 100

var x =

// Add

code here

print(x)

ANSWER: (D)  a*b/(c+d)

READING COMPREHENSION

We all have used Instagram at some point or the other. While logging into it we come across the login page given below. Let’s find out what components the Instagrams developers used to create this layout and answer the questions that follow:

ANSWER: (C) image.visibility = View.INVISIBLE