2.Write a Java program to create a method that takes an integer as a parameter and throws an exception if the number is odd. Click me to see the solution 3.Write a Java program to create a method that reads a file and throws an exception if the file is not found. Click me to see...
I encountered this exception while building spring MVC file upload example. The error stacktrace looks like this: Solution You have incorrect version of apache commons-fileupload. To solve this error, you correct version 1.2.1. This will solve your error. Happy Learning !!
1. Write a Java program that throws an exception and catch it using a try-catch block. Click me to see the solution2. Write a Java program to create a method that takes an integer as a parameter and throws an exception if the number is odd. ...
What can trigger a memory leak in an application? Problem: Exception Handling In line 21 of hprofParser.read() there are certain scenarios where an exception may be thrown. If an exception is thrown, pm.stopReporting() on line 22 will not be called. If this line of code is not called,...
Recently I was reviewing some old Java code that performs SQL queries against a database and closes the resources in finally blocks. When I examined the code I realized that the handling of the resources was flawed if an exception occurred. This article looks at how the handling of the resou...
Either log or rethrow this exception. When handling a caught exception, the original exception’s message and stack trace should be logged or passed forward. NONCOMPLIANT CODE EXAMPLE // Noncompliant - exception is lost try { /* ... */ } catch (Exception e) { ("context"); } ...
Exception Handling Java Exception Handling JavaExceptionHandling.java Advanced Java Varargs - Simple Addition JavaVarargsSimpleAddition.java Advanced Java Reflection - Attributes JavaReflectionAttributes.java Advanced Can You Access? CanYouAccess.java Advanced Java Factory Pattern JavaFactoryPattern.java ...
public T get() { if (value == null) { throw new NoSuchElementException("No value present"); } return value; } There are multiple ways, we can fix to check whether the optional object is empty or not. Let’s see some other simple examples to reproduce, and a solution for this er...
Java:Error Handling:AOPWhen dealing with the exception you should not overdo with their handling. As for example, catching exception at the lower level would not be always desirable, but rather bubbling them up to a higher boundary level would be a better solution in most of the cases. This...
(life cycle) management, thread pool management, synchronization (mutex locking), persistence services, distributed transaction monitoring, and distributed exception handling. In a J2EE environment, these runtime services are provided by EJB, web, and message-driven bean containers in an application ...