Practice Declaring And Creating Strings (6.11) - Chapter 6: Arrays and Strings in Java

Practise this section

9 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is a String in Java?
Show hintHide hint
Remember it involves characters and quotes.
Question 2.
How do you create a String using a literal?
Show hintHide hint
Think of a name in quotes.
3Question 3.
What is the preferred method for creating Strings in Java?
- Using literals
- Using new keyword
- Both are equal
Show hintHide hint
Think about performance.
4Question 4.
True or False: Strings in Java are treated as primitive data types.
- True
- False
Show hintHide hint
Remember the definition of Strings.
Question 5.
Create a program that asks for a user's name and greets them using both methods of String creation. Compare the memory usage.
Show hintHide hint
Consider how modern programming environments handle memory management.
Question 6.
Design a function that accepts a String and returns its length using both methods of String declaration. Discuss any differences you observe.
Show hintHide hint
Reflect on what the length method does for both instances.

5 more questions in this section. Enroll free to practise them all.