Basic Java Test

Question 1

What is the correct order of the Java compilation and execution process?

Accepted Answer

Compile source code, execute bytecode

Question 2

What will be the output of this code?

Accepted Answer

"Condition A"

Question 3

What is the size (in bytes) of the char data type in Java?

Accepted Answer

2

Question 4

___ is used to find and fix bugs in the Java programs?

Accepted Answer

JDB

Question 5

An IF-ELSE statement is better than a SWITCH statement in which scenario below?

Accepted Answer

All

Question 6

In Java, what will the following code do?

Accepted Answer

It will print "x is greater than or equal to 3."

Question 7

In Java, which data type is used to represent a single-precision floating-point number?

Accepted Answer

float

Question 8

Which of the following statements about Java is true?

Accepted Answer

Java is platform-independent.

Question 9

What is the purpose of the if statement in Java?

Accepted Answer

To make decisions in code based on a condition

Question 10

Which of the following statements about the Java Virtual Machine (JVM) is true?

Accepted Answer

JVM executes Java bytecode.

Question 11

What is the purpose of the switch statement in Java?

Accepted Answer

To make decisions based on multiple conditions

Question 12

What is Java primarily known for?

Accepted Answer

A high-level programming language

Question 13

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

Accepted Answer

string

Question 14

In an if-else statement, what happens if the condition inside the if block is false and there is no else block?

Accepted Answer

Nothing happens; the program continues executing after the if statement

Question 15

What will the following code snippet print?

Accepted Answer

"Both conditions are true."

Question 16

What is the maximum value that can be stored in a byte data type in Java?

Accepted Answer

127

Question 17

In Java, what is a ternary operator?

Accepted Answer

An operator with three operands

Question 18

Number of primitive data types in Java are?

Accepted Answer

8

Question 19

Who developed the Java programming language?

Accepted Answer

James Gosling

Question 20

Find the output of the following code.

Accepted Answer

24 I

Questions 20