Exception Handling with Example in JavaLearn: In this article we will study about the different types of Keywords used for exception handling in java. We will also discuss about their syntax and function with example. Submitted by Abhishek Jain, on September 02, 2017 ...
Exception handlingis one of the most important feature of java programming that allows us to handle theruntime errorscaused by exceptions. In this guide, you will learn what is an exception, types of it, exception classes and how to handle exceptions in java with examples. What is an exception?
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 theArithmeticExceptionusing thethrowkeyword. Similarly, thethrowskeyword is used to declare the type of...
Example : 1 2 3 4 int b= 9; int c = b/0; Running this code results in the following output: Exception in thread “main” java.lang.ArithmeticException: / by zero ArrayIndexOutOfBoundsException It is thrown by the JVM when code uses an illegal index to access an array. Example :...
To understand how exception handling works in Java, you need to understand the three categories of exceptions: Checked exceptions: A checked exception is an exception that is typically a user error or a problem that cannot be foreseen by the programmer. For example, if a file is to be opened...
Java provides specific keywords for exception handling purposes. throw– We know that if an error occurs, an exception object is getting created and then Java runtime starts processing to handle them. Sometimes we might want to generate exceptions explicitly in our code. For example, in a user...
Handling of exception in Kotlin is same asJava. We use try, catch and finally block to handle the exceptions in the kotlin code. Kotlin Exception handling example In the following example we are dividing a number with 0 (zero) which should throw ArithmeticException. Since this code is intry...
Example-3: Exception handling with try-catch-finally block The use of finally block with the try-catch block is shown in the following example. The code of finally block executes if an exception occurs or not. In the code, an integer value will be taken from the user. If the user gives...
Java Exception Handling Overview We don’t like exceptions but we always have to deal with them, great news is that Java Exception handling framework is very robust and easy to understand and use. Exception can arise from different kind of situations such as wrong data entered by user, hardwar...
Explore a practical example of Java exception handling with user-defined exceptions. Learn how to manage errors effectively in your Java applications.