Java Programming Game

What is the purpose of the PATH environment variable in Java?

• To locate Java libraries

• To store Java bytecode

• To Locate the exe files (.exe)

• To optimize Java code

What is multithreaded programming?

• It’s a process in which two different processes run simultaneously

• It’s a process in which two or more parts of the same process run simultaneously

• It’s a process in which many different process are able to access the same information

• It’s a process in which a single process can access information from many sources

What is the default value of a boolean variable in Java?

• true

• False

• 0

• Null

Which keyword is used to exit a loop prematurely in Java?

• Break

• Continue

• exit

• Stop

Spot the mistake.

int counter = 0;

while(counter < 5)

{

counter++;

}

System.out.println("Count: " + coun

ter);

• Loop never terminates

• Counter not incremented

• No error

• Print statement incorrect

Find the error in this code.

int num = 1;

do{

System.out.println(num);

num++;

} while(num <= 3);

System.out.println(

num);

• Infinite loop

• Syntax error

• Prints wrong values

• No error

In Java, what is the default value of an array of integers?

• 0

• Null

• -1

• 1