JAVA Part 3

Question 1

How to iterate through a list efficiently?

Answer 1

for (TypeOfVariable nameOfVariable: nameOfList)

Question 2

How to check if a string list is empty?

Answer 2

list.isEmpty()

Question 3

How to add an element to a list?

Answer 3

list.add()

Question 4

How to retrieve a value from a list?

Answer 4

String string = list.get()

Question 5

How to remove a element from a list?

Answer 5

list.remove()

Question 6

How to check if an element is in a list?

Answer 6

list.contains()

Question 7

What is explicit initialisation used for?

Answer 7

Constants and static fields

Question 8

What is static keyword in java?

Answer 8

The static keyword indicates that a member of a class that does not belong to the instance of the class, thus shared among all objects if this class