Java Exception Handling Quiz 6

Quiz 6Due Oct 13, 2023 at 11:45amPoints 40Questions 20Time Limit 75 MinutesQuestion 12 ptsWhat is the purpose of exception handling in Java?To ignore errorsTo hide errors from usersTo handle errors gracefullyTo eliminate errors Question 22 ptsWhich keyword is used to signal the beginning of a try block in Java?etrycatchthrowfinallyQuestion 32 ptsWhat is the purpose of the catch block in Java's exception handling?To throw an exceptionTo catch errors and handle themTo terminate the programTo skip the try block Question 42 ptsWhich statement is used to explicitly throw an exception in Java?raisethrowexceptionemitQuestion 52 ptsWhat is the purpose of the 'finally' block in Java's exception handling?To catch errorsTo handle exceptionsTo ensure code within it always executes, regardless of whetheran exception occurredTo terminate the program Question 62 ptsIn Java, can a catch block catch multiple exceptions?Yes, using multiple catch blocksNo, only one catch block is allowedYes, but only with a special keywordNo, catch blocks are limited to a single exception typeQuestion 72 ptsWhich of the following is a checked exception in Java?NullPointerExceptionArrayIndexOutOfBoundsExceptionArithmeticExceptionFileNotFoundException Question 82 ptsWhat happens if an exception is not caught in Java?The program terminatesThe exception is ignoredThe program continues executionThe compiler throws an errorQuestion 92 ptsWhich method is called when an exception is not caught?terminate()exit()final()getDefaultException() Question 102 ptsWhat is the role of the 'throws' clause in Java?To throw an exceptionTo declare that a method may throw certain exceptionsTo catch an exceptionTo terminate the programQuestion 112 ptsWhich keyword is used to create a custom exception class in Java?throwexceptioncustomclass Question 122 ptsWhat is the primary purpose of the "getMessage()" method in Java'sexception handling?To display an error message to the userTo retrieve the error message associated with an exceptionTo throw a message as an exceptionTo terminate the programQuestion 132 ptsIn Java, can a method be declared to throw multiple exceptions?Yes, by separating exceptions with a commaNo, a method can only throw one exceptionYes, but only in the main methodNo, exceptions must be handled within the method Question 142 ptsWhat is the primary advantage of using checked exceptions in Java?They are checked at compile-time, ensuring proper errorhandlingThey are faster than unchecked exceptionsThey require less memoryThey are easier to ignoreQuestion 152 ptsWhich exception class is the superclass of all exception classes inJava?RuntimeExceptionErrorExceptionThrowable Question 162 ptsWhat happens if an exception is caught by a catch block but is nothandled?The program terminatesThe exception is ignoredThe program continues executionThe catch block is re-executedQuestion 172 ptsWhich statement is used to rethrow an exception in Java?throw new Exception();rethrow Exception;throw;rethrow: Question 182 ptsWhat is the role of the 'printStackTrace()' method in Java's exceptionhandling?To print the error message to the consoleTo print the stack trace of an exception to the consoleTo clear the stack traceTo terminate the programQuestion 192 ptsWhich of the following statements is true about the "finally" block inJava?It is optionalIt must always be presentIt is executed only if an exception occursIt is executed only if no exception occurs Question 202 ptsWhat is the purpose of the "try-with-resources statement in Java?To declare resources within a try blockTo close resources automatically after the try blockTo suppress exceptionsTo handle exceptions