Answer available
Class 11 · Computer Science · Constructors
State three differences between a constructor and a method.
3 marksMediumShort answer
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64 questions
- Answer available
Class 11 · Computer Science · Operators and Expressions in Java
Evaluate the expression 10 + 5 * 2 - 8 / 4 in Java and explain the order of evaluation.
3 marksMediumNumerical
- Answer available
Class 11 · Computer Science · User-Defined Methods
What is method overloading? State the conditions under which two methods are said to be overloaded.
3 marksMediumShort answer
- Answer available
Class 11 · Computer Science · Nested Loops
Write a Java program segment to print an inverted right-angled triangle of stars with n rows, the first row having n stars.
3 marksMediumApplication based
- Answer available
Class 11 · Computer Science · Conditional Constructs
State three differences between the if-else construct and the switch-case construct.
3 marksMediumShort answer
- Answer available
Class 11 · Computer Science · Encapsulation and Class as a User-Defined Type
What is the this keyword and when is it needed?
3 marksMediumShort answer
- Answer available
Class 11 · Computer Science · Constructors
What is constructor overloading? Give one situation in which it is useful.
3 marksMediumShort answer
- Answer available
Class 11 · Computer Science · Values and Data Types
What is the output of: System.out.println(10 / 3); System.out.println(10 % 3); System.out.println(10.0 / 3);
3 marksMediumNumerical
- Answer available
Class 11 · Computer Science · Boolean Algebra
Reduce the Boolean expression X·Y + X·Y′ using the laws of Boolean algebra.
3 marksMediumNumerical
- Answer available
Class 11 · Computer Science · Operators and Expressions in Java
What is the output of: int a = 10, b = 3; System.out.println(a > b && a % b == 1);
3 marksMediumNumerical
- Answer available
Class 11 · Computer Science · Introduction to Object-Oriented Programming
State three differences between procedural and object-oriented programming.
3 marksMediumShort answer
- Answer available
Class 11 · Computer Science · Operators and Expressions in Java
What is short-circuit evaluation, and give one practical use of it.
3 marksMediumShort answer
- Answer available
Class 11 · Computer Science · Encapsulation and Class as a User-Defined Type
Name the access specifiers of Java and state the visibility each gives.
3 marksMediumShort answer
- Answer available
Class 11 · Computer Science · Propositional Logic
State the converse, inverse and contrapositive of "If it rains, the match is cancelled", and say which is logically equivalent to the original.
3 marksMediumShort answer
- Answer available
Class 11 · Computer Science · String Handling
What is the output of: String s = "Computer"; System.out.println(s.substring(2, 5) + s.length() + s.charAt(0));
3 marksMediumNumerical
- Answer available
Class 11 · Computer Science · Constructors
What is a constructor? State three of its characteristics.
2 marksEasyShort answer
- Answer available
Class 11 · Computer Science · String Handling
What is the output of: String s = "Examination"; System.out.println(s.length() + " " + s.substring(0, 4) + " " + s.toUpperCase().charAt(2));
3 marksMediumNumerical
- Answer available
Class 11 · Computer Science · Arrays
Write a Java program segment to find the average of the elements of an integer array a of size n.
3 marksMediumApplication based
- Answer available
Class 11 · Computer Science · Values and Data Types
Distinguish between a primitive type and a reference type in Java, with two examples of each.
3 marksMediumShort answer
- Answer available
Class 11 · Computer Science · Boolean Algebra
Simplify the Boolean expression (X + Y)(X + Y′).
3 marksMediumNumerical