Practice String Handling (9) - String Handling - ICSE 10 Computer Applications

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9 questions

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3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a string in Java?
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Think about what kind of data letters form.
Question 2.
How do you declare a string in Java?
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Remember, use the String keyword.
3Question 3.
What are strings primarily used for in Java?
- Storing numeric data
- Storing textual data
- Storing boolean values
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Think about what kinds of information you'd use strings for.
4Question 4.
Is it true that strings in Java are mutable?
- True
- False
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Remember the definition of immutability.
Question 5.
Write a Java method that checks if a given string is a palindrome.
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Consider how to reverse the string and compare it to the original.
Question 6.
How can you count the number of occurrences of a specific character in a string?
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Think about looping through the characters of the string.

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