3rd Quarter Exam in JAVA 4 (Computer Programming)

What is an array in Java?

• A collection of non-primitive data types
• A collection of primitive data types
• A collection of objects

How do you declare an array in Java?

• int arrayName[];
• int[] arrayName;
• Both a and b

What is the index of the first element in an array in Java?

• 0
• 1
• -1

What is the syntax for a do-while loop in Java?

• do (condition) {} while (update; initialization; condition);
• do (update; condition; initialization) {} while (condition);
• do {} while (condition);
• do (initialization; condition; update) {} while (condition);

What is the purpose of the break statement in a loop?

• To skip the current iteration of the loop
• To terminate the loop prematurely
• To restart the loop from the beginning
• To decrement the loop counter

What is the purpose of the continue statement in a loop?

• To terminate the loop prematurely
• To restart the loop from the beginning
• To skip the current iteration of the loop
• To increment the loop counter

Which of the following loop constructs can be used to create an infinite loop?

• for loop
• while loop
• do-while loop
• All of these

Which loop construct is used to terminate a loop prematurely?

• break
• continue
• return
• exit

What is the syntax for a for loop in Java?

• for (initialization; condition; increment/decrement) {}
• for (condition; initialization; increment/decrement) {}
• for (increment/decrement; condition; initialization) {}
• for (condition; increment/decrement; initialization) {}

What is the difference between a subclass and a superclass in Java?

• A subclass inherits properties and methods from a superclass, while a superclass inherits from a subclass
• A subclass is a child class of a superclass, while a superclass is a child class of a subclass
• A subclass is a more general class, while a superclass is a more specific class
• There is no difference between a subclass and a superclass in Java