GeeksforGeeks
geeksforgeeks.org › java › exceptions-in-java
Java Exception Handling - GeeksforGeeks
Java defines several types of exceptions that relate to its various class libraries. Java also allows users to define their it's exceptions. ... Built-in Exception are pre-defined exception classes provided by Java to handle common errors during program execution.
Published December 23, 2016
W3Schools
w3schools.com › java › java_try_catch.asp
Java Exceptions (Try...Catch)
The throw statement is used together with an exception type. There are many exception types available in Java: ArithmeticException, FileNotFoundException, ArrayIndexOutOfBoundsException, SecurityException, etc:
Videos
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Java Exception Handling Tutorial - YouTube
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Exception Handling In Java | What Is Exception Handling In Java?
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Exception Handling In Java | Exception Handling In Java With Examples ...
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Learn EXCEPTION HANDLING in 8 minutes! ⚠️ - YouTube
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Exception Handling in Java Tutorial - YouTube
Can you explain how unchecked exceptions work in Java?
Unchecked exceptions, such as IllegalArgumentException and ArithmeticException, occur at runtime and are often a result of improper input or arithmetic operations. Unlike checked exceptions, they are not required to be caught explicitly but should be handled appropriately for robust error management.
blog.sentry.io
blog.sentry.io › exception-handling-in-java-with-real-examples
Exception Handling in Java (with Real Examples) | Product Blog ...
How can developers get started with Sentry for exception handling in Java?
Developers can access Sentry’s documentation and signup to start leveraging its features for exception monitoring and debugging in Java applications. Sentry offers comprehensive guides and resources to help developers integrate and configure the platform effectively.
blog.sentry.io
blog.sentry.io › exception-handling-in-java-with-real-examples
Exception Handling in Java (with Real Examples) | Product Blog ...
What are some common examples of checked exceptions in Java, and how can they be handled?
Checked exceptions include ClassNotFoundException, NoSuchMethodException, and InterruptedException, among others. These exceptions typically arise from issues like missing classes, non-existent methods, or interrupted thread operations. Handling them involves using try-catch blocks to catch and handle the exceptions gracefully.
blog.sentry.io
blog.sentry.io › exception-handling-in-java-with-real-examples
Exception Handling in Java (with Real Examples) | Product Blog ...
Programiz
programiz.com › java-programming › exception-handling
Java Exception Handling (With Examples)
Exception in thread "main" java.lang.ArithmeticException: Trying to divide by 0 at Main.divideByZero(Main.java:5) at Main.main(Main.java:9) In the above example, we are explicitly throwing the ArithmeticException using the throw keyword. Similarly, the throws keyword is used to declare the type of exceptions that might occur within the method.
Study.com
study.com › computer programming › programming languages › compiled languages › java (programming language)
Exceptions in Java: Definition & Example | Study.com
There is a Throwable class (which lets Java throw the exception), from which comes the all-important Exception class. In turn there is a whole slate of sub-classes that all inherit from Exception. These include the arithmetic (divide by zero), file, and array exceptions shown earlier. To unlock this lesson you must be a Study.com Member. Create your account · Let's look at a couple of examples of exceptions. We'll start with the divide by zero error, since it can happen very easily in code that crunches numbers.
GeeksforGeeks
geeksforgeeks.org › java › types-of-exception-in-java-with-examples
Types of Exception in Java with Examples - GeeksforGeeks
July 23, 2025 - IllegalStateException : This exception will throw an error or error message when the method is not accessed for the particular operation in the application. It comes under the unchecked exception. A. Arithmetic exception ...
Sentry
blog.sentry.io › exception-handling-in-java-with-real-examples
Exception Handling in Java (with Real Examples) | Product Blog • Sentry
July 15, 2025 - In its simplest form, it consists of two blocks of code, one in which we attempt some operation that we know to be prone to exceptions (try), and another in which we handle any exception that arises (catch). It looks something like this: ... Here’s a more concrete example, dealing with an attempt to read a file that does not exist. ... import java.io.*; public class Example { public static void main(String[] args) { try { System.out.println("Reading file..."); FileReader reader = new FileReader("nonexistentfile.txt"); System.out.println("Successfully read file."); } catch (FileNotFoundException e) { System.out.println("The file was not found!"); } } }
Tutorialspoint
tutorialspoint.com › java › java_exceptions.htm
Java - Exceptions
You need to understand them to know how exception handling works in Java. ... A checked exception is an exception that is checked (notified) by the compiler at compilation-time, these are also called as compile time exceptions. These exceptions cannot simply be ignored, the programmer should take care of (handle) these exceptions. For example, if you use FileReader class in your program to read data from a file, if the file specified in its constructor doesn't exist, then a FileNotFoundException occurs, and the compiler prompts the programmer to handle the exception.
Great Learning
mygreatlearning.com › blog › it/software development › exception handling in java with examples – 2025
Exception Handling in Java with Examples | 2025 - Great Learning
January 6, 2025 - Example: ArithmeticException, NullPointerException etc. Exception Handling in java is managed via five keywords: try, catch, throw, throws, and finally.
Java Programming
java-programming.mooc.fi › part-11 › 3-exceptions
Exceptions - Java Programming
Now the exception is thrown to ... to be thrown occurs. The throw command throws an exception. For example a NumberFormatException can be done with command throw new NumberFormatException()....
w3resource
w3resource.com › java-exercises › exception › index.php
Java Exception Handling - Exercises, Solutions, and Practices
This section covers how to catch and handle exceptions. It includes try, catch, and finally block, as well as chained exceptions and logging exercises. ... Write a Java program that throws an exception and catch it using a try-catch block.
ScholarHat
scholarhat.com › home
What is Exception Handling in Java?: try, catch, throw, finally
In this Java tutorial, we'll discuss exceptions and their types in Java, exception handling keywords like try, catch, throw, throws, and finally, with examples, exception hierarchy, differences between errors and exceptions, the final, finally, and finalize keywords, etc.
Published September 9, 2025
DataCamp
datacamp.com › doc › java › throw
throw Keyword in Java: Usage & Examples
In this example, the checkAge method throws an Exception if the provided age is less than 18. The main method calls checkAge within a try block and catches the exception, printing the error message.
Pluralsight
pluralsight.com › blog › software development
How to handle the 10 most common exceptions in Java | Online Courses, Learning Paths, and Certifications - Pluralsight
When investigating, consider turning up logging to see the exact SQL query in question. SQLException is also thrown by the Java API for formulating and transmitting queries. For example, ResultSet throws it when you try to read a non-queried column. And PreparedStatement throws this exception when your application sets a non-existent bind variable:
TheServerSide
theserverside.com › tip › Fix-these-10-common-examples-of-the-RuntimeException-in-Java
Fix these 10 common examples of the RuntimeException in Java | TheServerSide
The ArrayStoreException shares similarities with the ClassCastException. This Java runtime exception happens when the wrong type of object is placed into an array. In the example below, a BigInteger array is created, followed by an attempt to add a Double.
BeginnersBook -
beginnersbook.com › home › java › exception handling in java with examples
Exception handling in Java with examples
October 25, 2022 - In the following example, user can enter any number, if user enters the second number (divisor) as 0 then the program will terminate and throw an exception because dividing a number by zero gives undefined result. To get the user input, we are using Scanner class.
Oracle
docs.oracle.com › javase › tutorial › essential › exceptions › index.html
Lesson: Exceptions (The Java™ Tutorials > Essential Java Classes)
A resource is as an object that must be closed after the program is finished with it. The try-with-resources statement ensures that each resource is closed at the end of the statement. This section explains the correct and incorrect use of the unchecked exceptions indicated by subclasses of RuntimeException.
DigitalOcean
digitalocean.com › community › tutorials › exception-handling-in-java
Exception Handling in Java | DigitalOcean
October 6, 2022 - These exceptions are hard to debug, and we might need to look into each place where we are using that resource to make sure we are closing it. In Java 7, one of the improvements was try-with-resources where we can create a resource in the try statement itself and use it inside the try-catch block. When the execution comes out of the try-catch block, the runtime environment automatically closes these resources. Here is an example of the try-catch block with this improvement:
Raygun
raygun.com › blog › java-exceptions-terminology
Java exceptions: Common terminology with examples · Raygun Blog
October 25, 2022 - Exception throwing in Java happens with the throw statement. ArithmeticException, ArrayIndexOutOfBoundsException, NullPointerException, and IOException in our examples were all thrown automatically by the Java platform.
Sematext
sematext.com › home › blog › exception handling in java: how-to tutorial with examples & best practices
How to Handle Exceptions in Java: Tutorial with Examples
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Baeldung
baeldung.com › home › java › core java › exception handling in java
Exception Handling in Java | Baeldung
May 11, 2024 - Oracle’s documentation tells us to use checked exceptions when we can reasonably expect the caller of our method to be able to recover. A couple of examples of checked exceptions are IOException and ServletException.