Java Chapter 10 Questions and Answers 100% Pass

Java Chapter 10 Questions and Answers 100% Pass What is the main purpose of exception handling in Java? A) To ignore runtime errors B) To stop the program immediately C) To handle runtime errors gracefully D) To avoid compilation errors Which keyword is used to define a block of code that may throw an exception? A) throw B) catch C) try D) finally Which of the following is a checked exception in Java? A) IOException B) ArithmeticException C) NullPointerException 2 D) ArrayIndexOutOfBoundsException What happens if an exception is not caught in a Java program? A) The program terminates abruptly B) The exception is ignored C) The program continues execution normally D) The exception is automatically fixed Which block of code is always executed in a try-catch-finally structure? A) try B) catch C) finally D) None of the above What does the throw keyword do in Java? A) Catches an exception B) Suppresses an exception C) Manually throws an exception 3 D) Prevents exceptions from occurring Which of the following exceptions is thrown when an object is accessed but is not initialized? A) IOException B) NullPointerException C) ArrayIndexOutOfBoundsException D) ArithmeticException What is the correct way to define a custom exception in Java? A) Extend the Exception class B) Implement the Throwable interface C) Override the catch block D) Use the static keyword Which of the following statements is true about the throws keyword? A) It is used in method declarations to specify exceptions that may be thrown B) It handles the exception inside a method C) It is required for all exceptions 4 D) It stops the program execution Which type of exception must be handled explicitly in Java? A) RuntimeException B) Checked exception