Practice What Is A String? (6.10) - Chapter 6: Arrays and Strings in Java

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9 questions

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6 sample questions

Question 1.
What is a String in Java?
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Remember how we define a sequence of characters.
Question 2.
How do you create a String using a literal?
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Recall the example given in class.
3Question 3.
What method would you use to find the length of a String?
- toString()
- length()
- size()
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It's a straightforward function that starts with 'len'.
4Question 4.
A String in Java can be modified after its creation. True or False?
- True
- False
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Recall what we discussed about String properties.
Question 5.
Create a method that accepts a String and returns the third character. Describe how this relates to the charAt() method.
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Remember index starts from 0.
Question 6.
Write a function to concatenate two Strings with a space in between and explain how memory is affected.
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Think about memory management when concatenating.

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