Loading the lesson
Loading the lesson
Search AllRounder.ai
Search the courses, subjects, tracks, games and features, or jump straight to a page.
Search the courses, subjects, tracks, games and features, or jump straight to a page.
2 cards from this section. Quick, good the night before a test.
What is the primary use of the Scanner class in Java?
Think about what you would need to get data from a user.
Which method is used to read a full line of input from the Scanner?
This method is used when the entire input is needed.
What class is primarily used for obtaining user input in Java?
This class 'scans' the input.
True or False: The method nextInt() in the Scanner class is used to read a line of text.
NextInt is specific to integers.
Write a fully functional program using the Scanner class that repeatedly asks the user for their favorite numbers until they enter 0, and then prints out the total count of numbers entered.
Remember to check for 0 as a stopping condition.
Explain how you would enhance a program that collects user input to validate that the input is a non-empty string using the Scanner class. What changes would you make?
Use a loop to keep asking until valid input is received.
5 more questions in this section. Enroll free to practise them all.
Enroll free