26 Questions
What is the purpose of the catch block in the given code?
To handle the Exception1 exception
What happens when an exception is thrown in the try block?
The exception is propagated to the catch block
What is the purpose of the finally block?
To execute the final statements
What happens when an exception is not thrown in the try block?
The next statement is executed
What is the type of exception thrown in the try block?
Exception1
What is the significance of the finally block in terms of exception handling?
It is used to execute the final statements, regardless of whether an exception is thrown or not
What happens if an exception is thrown in the finally block?
The exception is re-thrown
What is the sequence of execution of the blocks in the given code?
try-catch-finally-next statement
What happens if multiple catch blocks match a particular exception type?
Only the first matching catch block executes.
What is the purpose of the throw statement in the given code?
To propagate an exception to the calling method.
What happens to the statements in the try block after an exception is thrown?
The remaining statements in the try block are skipped.
In the given code, what would happen if the exception type is Exception2?
The catch block for handling exception ex2 in method2 would execute.
What is the role of the finally block in exception handling?
To execute regardless of whether an exception is thrown or not.
What happens if an exception is thrown in the try block and not caught by any catch block?
The program terminates due to an uncaught exception.
What is the order of execution when an exception is thrown in method3?
method3 -> method2 -> catch block for exception ex3.
What is the purpose of multiple catch blocks in a try-catch statement?
To catch different types of exceptions.
What is the primary purpose of the finally block in a try-catch block?
To execute mandatory statements regardless of exceptions
What happens to the program execution when an exception is thrown in the try block?
The program jumps to the catch block to handle the exception
What is the purpose of the catch block in a try-catch block?
To handle exceptions of a specific type
What happens when an exception is thrown in a try-catch block and there is no corresponding catch block?
The exception is propagated to the calling method
What is the purpose of the try block in a try-catch block?
To enclose a block of code that may throw exceptions
What happens when multiple exceptions are thrown in a try-catch block?
All exceptions are handled in the order they are thrown
What is the relationship between the try and catch blocks in a try-catch block?
The catch block is executed only if the try block throws an exception
What is the purpose of the exception type in a catch block?
To specify the type of exception to be handled
What happens when an exception is thrown in a try-catch block with a finally block?
The program executes the catch block and then the finally block
What is the order of execution when an exception is thrown in a try-catch block with a finally block?
Try, catch, finally
Study Notes
Catching Exceptions
- When multiple catch blocks match a particular exception type, only the first matching catch block executes.
- If an exception is thrown, the program execution jumps to the catch block that catches the exception type.
- If no exception is thrown, the finally block is always executed.
Try-Catch-Finally Blocks
- A try block is used to enclose the code that might throw an exception.
- A catch block is used to handle the exception that is thrown.
- A finally block is used to execute important code regardless of whether an exception is thrown or not.
Exception Handling
- If an exception is thrown, the program execution jumps to the catch block that catches the exception type.
- If no exception is thrown, the finally block is executed, and then the next statement in the method is executed.
- If an exception is thrown and handled in a catch block, the finally block is executed, and then the next statement in the method is executed.
Method Invocation and Exception Handling
- If method1 invokes method2, method2 invokes method3, and method3 throws an exception, the exception is caught by the catch block in method2 that matches the exception type.
- If the exception type is Exception3, it is caught by the catch block for handling exception ex3 in method2.
This quiz assesses understanding of catching exceptions in object-oriented programming. It covers topics such as try blocks, catch blocks, and throw statements.
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