Same chapter3 marksDifficulty: Medium
Write a Java program segment to check whether a given string s is a palindrome.
String Handling
3 marksDifficulty: Medium
What is the output of: String s = "Examination"; System.out.println(s.length() + " " + s.substring(0, 4) + " " + s.toUpperCase().charAt(2));
Original Khojo Papers practice question — not from a past board paper.
Answer
11 Exam A
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The word has 11 letters, substring(0, 4) takes the first four characters, and the character at index 2 of the upper-case string is A.
Related questions
From the same topic and chapter, at a similar level.
Same chapter3 marksDifficulty: Medium
Write a Java program segment to print the first letter of every word of a sentence s with single spaces between words.
String Handling
Same chapter3 marksDifficulty: Medium
What is the output of: String s = "Computer"; System.out.println(s.substring(2, 5) + s.length() + s.charAt(0));
String Handling
Same chapter3 marksDifficulty: Medium
Explain what is meant by saying that String objects in Java are immutable, and name the class to use when a mutable string is needed.
String Handling
Same subject3 marksDifficulty: Medium
Distinguish between the canonical SOP and POS forms of a Boolean expression.
Boolean Algebra
Same subject3 marksDifficulty: Medium
State and prove De Morgan's two theorems using a truth table.
Boolean Algebra