102.Throw and throws

What is the purpose of the throw keyword in Java?

• To catch exceptions
• To declare exceptions
• To create custom exceptions
• To handle finally blocks

How is the throws keyword used in Java?

• To catch exceptions
• To declare exceptions
• To create custom exceptions
• To handle finally blocks

Can you use both throw and throws together in a method declaration?

• Yes
• No
• Depends on the exception
• Only for unchecked exceptions

Explain the difference between the throw and throws keywords in Java.

• Similar usage
• Used for checked exceptions
• Used for unchecked exceptions
• Throw creates, throws declares

How does the throw keyword handle custom exceptions in Java?

• It catches exceptions
• It creates exceptions
• It declares exceptions
• It prevents exceptions

When should you use the throws keyword in a method signature?

• When catching exceptions
• When creating exceptions
• When declaring exceptions
• When handling finally blocks

What happens if an exception thrown by a method is not caught or declared with throws?

• It gets handled by default
• It's ignored
• Compiler error
• It triggers finally block

Describe the relationship between try-catch blocks and the throw keyword.

• No relationship
• Redundant usage
• try-catch replaces throw
• Throw is followed by catch

What is the significance of the throws keyword in method chaining?

• No significance
• Enhances readability
• Avoids method chaining
• Replaces catch blocks

How does using the throw keyword contribute to making custom exception classes?

• It simplifies exception handling
• It increases complexity
• It avoids catch blocks
• It prevents method chaining