Practice Conclusion (10.8) - Arrays and Strings - ICSE 11 Computer Applications

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9 questions

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6 sample questions

Question 1.
What is an array?
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Think of how items are stored in a list.
Question 2.
What is a String in Java?
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Consider how you write text messages.
3Question 3.
What type of data does an Array store?
- Mixed data types
- Similar data types
- Only integers
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Look at how we defined an array earlier.
4Question 4.
True or False: Strings in Java can be changed after they are created.
- True
- False
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Recall what we learned about String properties.
Question 5.
Write a program that initializes an array of 5 numbers, sorts it, and prints the numbers in ascending order.
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Use the Arrays.sort() method for sorting.
Question 6.
Create a method that takes a String as input and returns the substring of the first five characters.
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Look up the substring() method for Strings.

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