Practice Looping Through A String (6.14) - Chapter 6: Arrays and Strings in Java

Practice: Looping through a String

Lesson 6.14Arrays and Strings in Java

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9 questions

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

Question 1.
What does the method charAt() do?
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Think about how you access elements in an array.
Question 2.
How do you determine the length of a string?
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It's a method that gives you the number of characters.
3Question 3.
What does the length() method do in a string?
- Returns the first character
- Returns the number of characters
- Concatenates two strings
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It's a method that counts.
4Question 4.
True or false: The index of the first character in a string is 1.
- True
- False
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Check where indexing starts.
Question 5.
Write a Java program that takes a string input from the user and prints each character with its corresponding index. The code editor sends no keyboard input, so store a sample string, such as "Java", in a variable in place of the user's input.
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Store the sample input in a String variable and remember to build a proper for loop.
Question 6.
How would you modify the program to skip vowels while printing the characters?
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Think about using conditional statements to filter out characters based on their properties.

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