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.

251.

What is the input for Logical Operators?

A. 1 and 0
B. true / false
C. char / String
D. None of the above
Answer» C. char / String
Discussion
252.

In general Bitwise logical operators are simply called?

A. Logical operators
B. Bitwise operators
C. Binary operators
D. None of the above
Answer» C. Binary operators
Discussion
253.

Bitwise logical operators in Java work with?

A. true/false boolean data
B. 0 and 1 individual bits of data
C. Characters of a String
D. None of the above
Answer» C. Characters of a String
Discussion
254.

Boolean logical operators in Java work with?

A. true/false boolean data
B. 1 and 0 of individual Bits
C. characters of a String
D. None of the above
Answer» B. 1 and 0 of individual Bits
Discussion
255.

What are the two possible Logical Operator types?

A. Bitwise Logical
B. Boolean Logical
C. Arithmetic Logical
D. A and B
Answer» E.
Discussion
256.

What is the default character literal value assigned to a char variable in Java?

A. 'a'
B. '0'
C. '\u0000'
D. 0
Answer» D. 0
Discussion
257.

What is the default boolean literal assigned to a boolean variable in Java?

A. true
B. false
C. undefined
D. None of the above
Answer» C. undefined
Discussion
258.

A Unicode character literal in Java is surrounded by a pair of ___?

A. Single Quotes
B. Double Quotes
C. Exclamations
D. Backslashes
Answer» B. Double Quotes
Discussion
259.

Choose the wrong representation of a character literal in Octal notation in Java.

A. char ch='\65';
B. char ch='\142';
C. char ch='\065';
D. char ch='142';
Answer» E.
Discussion
260.

Choose the wrong Java code statement below.

A. boolean a = false;
B. boolean a = (5>6)||(4>3);
C. boolean a = 1;
D. boolean a = 4>3?true:false;
Answer» D. boolean a = 4>3?true:false;
Discussion
261.

What is the output of this Java snippet?

A. 111
B. 7
C. 8
D. Compiler error
Answer» C. 8
Discussion
262.

Choose the correct usage of boolean literal in the options below.

A. boolean b= false;
B. boolean b= 2<4;
C. if(true)
D. All the above
Answer» E.
Discussion
263.

Choose the correct implementation of floating point literals in the exponential form in Java.

A. float a = 12.0e2f; //1200.0
B. float a = 100.0e-2f; // 1.0
C. float a = 123.456e-21f;
D. All the above
Answer» E.
Discussion
264.

What are the two floating point notations in Java language?

A. Exponential e or E (10^a)
B. Exponential p or P (2^a)
C. A and B
D. None of the above
Answer» D. None of the above
Discussion
265.

Which version of Java introduced Hexadecimal floating point numbers?

A. JDK 5
B. JDK 6
C. JDK 7
D. JDK 8
Answer» D. JDK 8
Discussion
266.

Which among the following is not a primitive data type in Java?

A. char
B. String
C. byte
D. short
Answer» C. byte
Discussion
267.

A String literal in Java is surrounded by a pair of _____?

A. Braces
B. Single Quotes
C. Double Quotes
D. Exclamations
Answer» D. Exclamations
Discussion
268.

Choose a correct statement about Java literal types.

A. Decimal literal uses Base 10 number system.
B. Binary literal uses Base 2 number system.
C. Octal literal uses Base 8 number system.
D. All the above
Answer» E.
Discussion
269.

Which version of Java started offering unsigned int and unsigned long to represent very long numbers?

A. JDK 5
B. JDK 6
C. JDK 7
D. JDK 8
Answer» E.
Discussion
270.

A character literal in Java is enclosed within a pair of ___?

A. Square brackets
B. Double Quotes
C. Single Quotes
D. Exclamations
Answer» D. Exclamations
Discussion
271.

What is the suffix used to convert an int literal to long literal in Java?

A. 0l or 0L
B. l or L
C. i or I
D. 0x or 0X
Answer» C. i or I
Discussion
272.

A real number literal for floating point literal with a missing f or F suffix represents which data type?

A. double
B. float
C. long
D. int
Answer» B. float
Discussion
273.

What is the precision after decimal points offered by a float data type in Java?

A. 3 digits
B. 6 digits
C. 10 digits
D. 15 digits
Answer» C. 10 digits
Discussion
274.

What is the suffix used to represent a floating point number in Java?

A. r or R
B. f or F
C. fl or FL
D. None of the above
Answer» C. fl or FL
Discussion
275.

What is the common UTF standard used on the Websites for information exchange?

A. UTF 16
B. UTF 8
C. UTF 32
D. None of the above
Answer» C. UTF 32
Discussion
276.

What is the literal in Java that can be used to test whether an Object of any type is alive or not?

A. alive
B. liveof
C. null
D. 0
Answer» D. 0
Discussion
277.

What is the name given to character literals in Java that start with a Back Slash character?

A. Back Slash Sequence
B. Slash Sequence
C. Escape Sequence
D. Extended Sequence
Answer» D. Extended Sequence
Discussion
278.

Java uses UTF-16 Unicode format to represent characters. What is UTF?

A. Universal Transcript Format
B. Universal Transformation Format
C. Universal Technology Format
D. None of the above
Answer» C. Universal Technology Format
Discussion
279.

What is the maximum number of Underscore characters that can be used in between the digits of a numeric literal in Java?

A. 8
B. 16
C. 32
D. No Limit
Answer» E.
Discussion
280.

Choose a correct rule for using Underscores in literals of Java language.

A. Underscores cannot come at the end of a number or next to the last digit of a number.
B. Underscores cannot come at the beginning of a number or before the first digit of a number.
C. Underscores cannot come before or after a decimal point in real numbers like float and double.
D. All the above
Answer» E.
Discussion
281.

What is the compiler error for improperly using Underscores ( _ ) in literals in Java?

A. Underscores are out of range
B. IllegalUnderscoresException
C. Underscores have to be located within digits
D. Too many Underscores
Answer» D. Too many Underscores
Discussion
282.

What is the correct representation of using Binary literals in Java?

A. int a = 0b1010;
B. int a = 0B1011_1010;
C. int a = 0B0______________1;
D. All the above
Answer» E.
Discussion
283.

What is the prefix used to represent Binary literals in Java?

A. b or B
B. 0b or 0B
C. xB or xb
D. ob or oB
Answer» C. xB or xb
Discussion
284.

Underscore symbols in literal numbers are introduced with which version of Java?

A. JDK 5
B. JDK 6
C. JDK 7
D. JDK 8
Answer» D. JDK 8
Discussion
285.

Binary literals in Java are introduced with which version of Java?

A. JDK 5
B. JDK 6
C. JDK 6
D. JDK 8
Answer» D. JDK 8
Discussion
286.

Choose correct examples of Hexadecimal literals in Java?

A. long a = 0X987654321L;
B. int a = 0x76FE____23;
C. byte b = 0X0__________F;
D. All the above
Answer» E.
Discussion
287.

What is the prefix used to represent Hexadecimal numbers in Java?

A. 0x
B. 0X
C. A and B
D. None of the above
Answer» E.
Discussion
288.

Choose the correct example of Octal Literal in Java?

A. short = 0564;
B. int = 076__45_2;
C. int = 0______11;
D. All the above
Answer» E.
Discussion
289.

Choose correct ranges for Decimal, Octal and Hexadecimal numbers in Java?

A. Decimal: 0 to 9
B. Octal: 0 to 7
C. Hexadecimal: 0 to 9 and A to F / a to f
D. All the above
Answer» E.
Discussion
290.

An Octal number is Java is represented with a leading ____?

A. O (Alphabet)
B. 0 (ZERO)
C. 0x
D. 0X
Answer» C. 0x
Discussion
291.

Choose correct examples of decimal literals in Java.

A. int a = 12345;
B. int a = 12_3__5;
C. long a = 987____654_3__21L;
D. All the above
Answer» E.
Discussion
292.

What are the types of Integer Literals in Java?

A. Decimal Literals
B. Octal and Hexadecimal Literals
C. Binary Literals
D. All the above
Answer» E.
Discussion
293.

What are the types of Literals available in Java language?

A. Integer and Float
B. Character and String
C. Boolean
D. All the above
Answer» E.
Discussion
294.

What is Literal in Java?

A. Literal is the value that is given or assigned to a variable.
B. Literal is a data type
C. Literal is similar to String
D. None of the above
Answer» B. Literal is a data type
Discussion
295.

What is the output of Java Program with Shift Right Fill Zeroes operator?

A. -8, 4
B. 8, 4
C. 8, -4
D. -8, -4
Answer» C. 8, -4
Discussion
296.

What is the output of a Java Program with Shift Right Fill Zeroes (>>>) operator?

A. -8, 8
B. -8, 4
C. -8, -4
D. Compiler error
Answer» D. Compiler error
Discussion
297.

What is the output of the Java program with Right Shift (Without Fill Zeroes)?

A. -8, -16
B. -4, -8
C. -8, -4
D. Compiler error
Answer» D. Compiler error
Discussion
298.

What is the output of Java program with Right Shift Operator (>>)?

A. 5,-6
B. 5,10
C. 5, 2
D. Compiler error
Answer» D. Compiler error
Discussion
299.

What is the output of the Java program with Left Shift Operator (<<)?

A. 5,2
B. 5,5
C. 5,10
D. Compiler error
Answer» D. Compiler error
Discussion
300.

What is the output of a Bitwise Exclusive OR (^) operation if both the inputs/operands are different?

A. 0
B. 1
C. 0 or 1
D. None of the above
Answer» C. 0 or 1
Discussion