Explore topic-wise MCQs in Technical Programming.

This section includes 1671 Mcqs, each offering curated multiple-choice questions to sharpen your Technical Programming knowledge and support exam preparation. Choose a topic below to get started.

201.

What is the data type of output of any Comparison Operation in Java?

A. int
B. char
C. boolean
D. byte
Answer» D. byte
Discussion
202.

Which operator group has higher priority between (>, >=,

A. (>, >=, <, <=) has lower priority (==, !=)
B. (>, >=, <, <=) has higher priority (==, !=)
C. (>, >=, <, <=) has equal priority with (==, !=)
D. None of the above
Answer» C. (>, >=, <, <=) has equal priority with (==, !=)
Discussion
203.

Choose the Conditional operators of Java listed below.

A. >, >=
B. <, <=
C. ==, !=
D. All the above
Answer» E.
Discussion
204.

What are the types of data that can be used along with Relational operators in Java?

A. char, boolean, Object
B. byte, short, int, long
C. float, double
D. All the above
Answer» E.
Discussion
205.

How many minimum number of operands are required to use Comparison operators in Java?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
Discussion
206.

What is the other name for Relational Operators in Java?

A. Comparison operators
B. Conditional operators
C. A and B
D. None of the above
Answer» D. None of the above
Discussion
207.

Choose the right statement about Java Data types.

A. Integer data types are short, int and long
B. Real number data types are float and double
C. The character data type is char.
D. All the above
Answer» E.
Discussion
208.

What is the abbreviation of ASCII?

A. American Standard Characters for Information Interchange
B. Australian Standard Code for Information Interchange
C. American Standard Code for Information Interchange
D. None of the above
Answer» D. None of the above
Discussion
209.

What is the character encoding standard used in Java language?

A. ASCII
B. Unicode
C. Hexacode
D. Bytecode
Answer» D. Bytecode
Discussion
210.

What is the IEEE standard adopted to represent Floating point numbers in Java?

A. IEEE 9000
B. IEEE 800
C. IEEE 754
D. IEEE 512
Answer» D. IEEE 512
Discussion
211.

What is the size of a boolean data type constant in Java?

A. 1 bit
B. 4 bits
C. 8 bits
D. Not documented well
Answer» E.
Discussion
212.

What is the size of a CHAR data type constant in Java?

A. 1 byte
B. 2 bytes
C. 4 bytes
D. 6 bytes
Answer» C. 4 bytes
Discussion
213.

What is the size of a DOUBLE floating point number in Java?

A. 4 bytes
B. 6 bytes
C. 8 bytes
D. 16 bytes
Answer» D. 16 bytes
Discussion
214.

What is the size of a FLOAT floating point number in Java?

A. 2 bytes
B. 4 bytes
C. 6 bytes
D. 8 bytes
Answer» C. 6 bytes
Discussion
215.

What is the size of a LONG integer in Java?

A. 2 bytes
B. 4 bytes
C. 8 bytes
D. 16 bytes
Answer» D. 16 bytes
Discussion
216.

What is the size of an INT integer in Java?

A. 2 bytes
B. 4 bytes
C. 6 bytes
D. 8 bytes
Answer» C. 6 bytes
Discussion
217.

What is the size of a SHORT integer in Java?

A. 1 byte
B. 2 bytes
C. 4 bytes
D. 8 bytes
Answer» C. 4 bytes
Discussion
218.

Choose the number range for byte data type in Java?

A. -127 to +128
B. -128 to +127
C. 0 to 256
D. 0 to 255
Answer» C. 0 to 256
Discussion
219.

Which is the data type that is not recommended for numeric applications in Java?

A. byte
B. float
C. int
D. long
Answer» B. float
Discussion
220.

Which is the data type used mostly to handle streams and buffers in Java language?

A. short
B. int
C. byte
D. float
Answer» D. float
Discussion
221.

Which among the following is not a valid Data Type in Java?

A. long
B. bool
C. double
D. float
Answer» C. double
Discussion
222.

which among the following is not a Data Type in Java?

A. short
B. int
C. long double
D. double
Answer» D. double
Discussion
223.

What is a Primitive Data Type in Java?

A. Data type, which is implemented in an Object-oriented way.
B. Data Type which is implemented in a machine-dependent way
C. Data Type which is implemented in a non-object oriented way.
D. None of the above
Answer» D. None of the above
Discussion
224.

Which data type among the following is an implementation of Objects or OOPs?

A. byte
B. int
C. char
D. None of the above
Answer» E.
Discussion
225.

Choose the wrong statement about Java programming?

A. Java supports unsigned integers
B. Java supports signed integers
C. Java supports signed char
D. None of the above
Answer» B. Java supports signed integers
Discussion
226.

What does a Data Type in Java refers to?

A. The place where data is stored
B. The technique how data is retreived
C. The type or variety of data being handled for reading and writing
D. None of the above
Answer» D. None of the above
Discussion
227.

If an AND (&) operator is applied with two integers, what is this operator?

A. Boolean operator
B. Bitwise operator
C. Logical operator
D. Arithmetic operator
Answer» C. Logical operator
Discussion
228.

Choose the correct version of Logical Compound Assignment operators in Java below?

A. &=, |=, ^=
B. &&=, ||=, !=
C. A and B
D. None of the above
Answer» B. &&=, ||=, !=
Discussion
229.

Among the logical operators, OR (|), Short Circuit OR (||) and Exclusive OR (^), which operator has higher priority?

A. OR (|)
B. Short Circuit OR (||)
C. Exclusive OR (^)
D. All operators have the same priority.
Answer» D. All operators have the same priority.
Discussion
230.

Among the logical operators, OR (|) and Short Circuit OR (||), which operator has higher priority?

A. OR (|)
B. Short Circuit OR (||)
C. Both have the same priority
D. None of the above
Answer» B. Short Circuit OR (||)
Discussion
231.

Among the Logical operators, AND (&) and Short Circuit AND (&&), which has higher priority?

A. AND (&)
B. Short Circuit AND (&&)
C. Both have same priority
D. None of the above
Answer» B. Short Circuit AND (&&)
Discussion
232.

Which is the Logical operator in Java that has the highest priority among all other logical operators?

A. Short Circuit AND (&&)
B. AND (&)
C. NOT (!)
D. Exclusive OR (^)
Answer» D. Exclusive OR (^)
Discussion
233.

What is the output of an Exclusive OR(^) operation, if one of the operands is false?

A. false
B. true
C. true or false
D. None of the above
Answer» D. None of the above
Discussion
234.

What is the output of an Exclusive OR (^) operation if one of the operands/expressions is TRUE?

A. false
B. true
C. true or false
D. None of the above
Answer» D. None of the above
Discussion
235.

What happens to the Second Operand/expression if the first operand is TRUE with a Short Circuit OR (||) operator in Java?

A. Second expression/operand is evaluated and OR is applied to both operands
B. Evaluating the Second expression/operand is skipped
C. The compiler starts taking more memory
D. The compiler starts taking more CPU power
Answer» C. The compiler starts taking more memory
Discussion
236.

What happens to the Second operand/expression if the first operand is FALSE with a Short Circuit AND (&&) operator?

A. Second operand/expression is evaluated and AND is applied.
B. Evaluation of Second operand/expression is skipped.
C. The compiler starts taking more memory
D. The compiler starts taking more CPU power.
Answer» C. The compiler starts taking more memory
Discussion
237.

Why are Short Circuit AND (&&) and Short Circuit OR (||) operators are fast in Java?

A. By skipping the second expression or operand if possible and save time.
B. By using extra memory on the machine
C. By using extra CPU processing power
D. None of the above
Answer» B. By using extra memory on the machine
Discussion
238.

Which is fast among OR(|) and Short Circuit OR (||) operators in Java?

A. OR Operator
B. Short Circuit OR operator
C. Both work at the same speed
D. None of the above
Answer» C. Both work at the same speed
Discussion
239.

Which is fast among AND (&) and Short Circuit AND(&&) operators in Java?

A. AND operator
B. Short Circuit AND
C. Both work at the same speed
D. None of the above
Answer» C. Both work at the same speed
Discussion
240.

What is the output of a Logical OR (|) operation if both the inputs/operands are true?

A. true
B. false
C. true or false
D. None of the above
Answer» B. false
Discussion
241.

What is the output of a Logical AND (&) operation if both inputs/operands are true?

A. false
B. true
C. true or false
D. None of the above
Answer» C. true or false
Discussion
242.

What is the output of a Logical AND (&) operation if one of the inputs/operands is true?

A. false
B. true
C. true of false
D. None of the above
Answer» D. None of the above
Discussion
243.

What is the output of a Logical OR (|) operation if one of the inputs/operands is true?

A. false
B. true
C. true or false
D. None of the above
Answer» C. true or false
Discussion
244.

What is the output of Logical AND (&) operation if one of the inputs/operands is false?

A. false
B. true
C. true or false
D. None of the above
Answer» B. true
Discussion
245.

What is the output of a Logical OR (|) operation if one of the inputs/operands is false?

A. false
B. true
C. true or false
D. None of the above
Answer» D. None of the above
Discussion
246.

Which among the following is a Short Circuit OR operator?

A. &
B. &&
C. |
D. ||
Answer» E.
Discussion
247.

Which among the following is a Short Circuit AND operator?

A. &
B. &&
C. |
D. ||
Answer» C. |
Discussion
248.

Which among the following is a Logical Unary NOT operator in Java?

A. ~
B. !
C. #
D. ^
Answer» C. #
Discussion
249.

Which is the Logical operator in Java that works with a Single Operand?

A. Logical AND
B. Logical OR
C. Logical Exclusive OR
D. Logical NOT
Answer» E.
Discussion
250.

What is the output of any Logical operation in Java?

A. 1 or 0
B. true or false
C. char or String
D. None of the above
Answer» C. char or String
Discussion