Concepts

Question 1

What are the 5 stages in a software development lifecycle (SDLC)

Answer 1

1 requirements analysis 2 design 3 development 4 testing 5 Maintenance

Question 2

Statistically automation is in average _________ more beneficial than manual testing

Answer 2

5

Question 3

Automated testing provides a___________ feedback that everything in our product works properly.

Answer 3

continuous

Question 4

Automation testing is used for functional or non-functional testing?

Answer 4

Non functional

Question 5

What are non functional testing types

Answer 5

Performance Stress Load Endurance Scalability Volume Usability

Question 6

What is the structure of an automated script

Answer 6

Find an element Perform some action on the element Verify the expected result

Question 7

How do we locate the elements?

Answer 7

Look into the HTML source code and identify HTML attributes like Id, class, CSS, Selectors, Xpaths….

Question 8

what is type coercion?

Answer 8

JS automatically figures out which one of the variable it has to convert and does it. ‘Tariq26’.

Question 9

console.log(name + age) example of type coercion

Answer 9

tariq52

Question 10

console.log(age + age) example of no type coercion

Answer 10

104

Question 11

undefined variable

Answer 11

when a variable is defined but no value is assigned

Question 12

var lastName = prompt(‘what is the last name?’);

Answer 12

Question 13

alert(‘John is a thirty six year old driver. Is he married? false’)

Answer 13

Question 14

var ageTariq = 50;

ageTariq = 5*5+10;

console.log(ageTariq);

Is ageTariq =50 or 35 and why?

Answer 14

it is 35 because of operator precedence

Question 15

var ageTariq = 25;

ageTariq *= 2;

What is the output?

Answer 15

50

Question 16

if (23 == ‘23’)

true or false?

Answer 16

True as == does type coercion

Question 17

if (23 === ‘23’)

true or fasle

Answer 17

false as === does not do type coercion

Question 18

whats the sexier method of writing

x = x * 2

x = x + 2

x = x - 2

Answer 18

x *= 2

x *= 2

x *- 2

Question 19

Ternary Operator

var drink = age >=18 ? ‘beer’ : ‘juice’

Answer 19

condition age>=18 is evaluated before either beer or juice value is assigned to drink.

Question 20

Why is important to use the Break statement in a switch case?

Answer 20

otherwise, the switch statement will continuously poll for a result

Question 21

var job = ‘teacher’;

switch (job) {

case = ‘teacher’:

case = instructor’:

console.log(‘John teaches kids how to code’);

Break;

Answer 21

console.log will be printed for both job is equal to teacher and Instructor

Question 22

if var Height = 0

is it classed as a defined or undefined variable?

Answer 22

undefined….

Question 23

var height =23;

if (height == ‘23’) {

console.log(‘The == operator does type coercion’);

] else

console.log(‘The == operator does not do type coercion};

Answer 23

The == operator does type coercion

Question 24

DRY

Answer 24

Don’t Repeat Yourself

Question 25

do we need a ‘break’ statement in Switch when used inside a function?

Answer 25

nope, no need as the function will break automatically when a condition is met in switch.

Question 26

A statement is a complete line of code that performs some ____________

Answer 26

action

Question 27

An expression is any section of the code that evaluates to a _______

Answer 27

Value.

Question 28

How do we display a defined array?

Answer 28

//String array of fruits defined

String[] fruits ={“Apple”, “banana”, “pear”, “kiwi};

//assign fruits to a new string variable ‘fruit’ and print it

for (String fruit:fruits) {

System.put.println(string);

}

Question 29

are both array definitions of intArray valid?

int intArray[];

or

int[] intArray;

Answer 29

An array declaration has two components: the type and the name. type declares the element type of the array. The element type determines the data type of each element that comprises the array.

In this case, only a reference of intArray is created. The size isn’t defined yet.

Question 30

Expalin the comments

int intArray[];

intArray = new int[20];

int[] intArray = new int[20];

Answer 30

//declaring array

// allocating memory to array

// combining both statements in one

Question 32

What are the 3 elements of a variable?

Answer 32

type of variable

name of variable

inital value of variable