Java Exception Handling

To ensure that the program doesn't crash unexpectedly due to runtime errors.

throw

To handle different types of exceptions.

<p>To handle exceptions and handle them gracefully.</p> Signup and view all the answers

<p>To specify code that always executes, regardless of whether an exception was thrown or not.</p> Signup and view all the answers

<p>To retrieve the error message associated with the exception.</p> Signup and view all the answers

<p>The purpose of the <code>finally</code> block is to execute cleanup code, such as closing resources, regardless of whether an exception is thrown or not.</p> Signup and view all the answers

<p>Checked exceptions are explicitly checked by the compiler and require handling or declaration, whereas unchecked exceptions are related to programming errors and do not require explicit handling or declaration.</p> Signup and view all the answers

<p>You can create a custom exception by extending the <code>Exception</code> class or its subclasses.</p> Signup and view all the answers

<p>The purpose of multithreading is to allow the concurrent execution of multiple tasks simultaneously, improving the performance and responsiveness of a program.</p> Signup and view all the answers

<p>The root of the exception hierarchy in Java is <code>java.lang.Throwable</code>.</p> Signup and view all the answers

<p>A thread is a lightweight process within a Java program, whereas a process is a separate, independent execution unit.</p> Signup and view all the answers

<p>To ensure that only one thread can access a critical section of code at a time, preventing data corruption.</p> Signup and view all the answers

<p>1 (lowest) to 10 (highest)</p> Signup and view all the answers

<p>To improve the efficiency and responsiveness of applications</p> Signup and view all the answers

<p>wait(), notify(), and notifyAll()</p> Signup and view all the answers

<p>Extending the Thread class and implementing the Runnable interface</p> Signup and view all the answers

<p>By calling the interrupt() method or when the run() method completes its execution</p> Signup and view all the answers

<p>The start() method</p> Signup and view all the answers

<p>NEW</p> Signup and view all the answers

<p>To efficiently manage and reuse threads, reducing the overhead of thread creation and destruction.</p> Signup and view all the answers

<p>It can greatly improve the performance of Java applications, especially in scenarios where tasks can be parallelized.</p> Signup and view all the answers

<p>It allows for better separation of concerns</p> Signup and view all the answers

<p>To define the code that the thread will execute</p> Signup and view all the answers