Checked Vs unchecked Exceptions with example in Java Interview Questions and Answers | Code Decode

Difference between checked and unchecked exception is very commonly asked java interview questions in every interview Udemy Course of Code Decode on Microservice k8s AWS CICD link: https://openinapp.co/udemycourse Course Description Video : https://yt.openinapp.co/dmjvd Difference between checked vs unchecked exceptions Checked Unchecked Exceptions Another name Checked exceptions are checked by the Java compiler so they are called compile time exceptions. Unchecked exceptions are not checked by the compiler. These are called runtime exceptions. When Checked exceptions occur at compile time. Unchecked exceptions occur at runtime. Handled by These types of exceptions can be handled at the time of compilation. These types of exceptions cannot be catched or handled at the time of compilation, because they get generated by the mistakes in the program. Handling Must be handled in a try-and-catch block, or be thrown by the invoking method Exception handling semantics are not required Difference between checked vs unchecked exceptions Checked Unchecked Exceptions Force Java compiler forces us to handle these exceptions in some manner A method is not forced by the compiler to declare the unchecked exceptions into the method declaration. Hierarchy They are all subclasses of Exception. They are all subclasses of RuntimeException. Scenario Checked Exception represent scenario with higher failure rate UnChecked Exception are mostly programming mistakes. Throws clause The throws clause on a method header must be included for checked exceptions that are not caught and handled in the method. The throws clause on a method header is not mandatory Checked Unchecked Exceptions Examples File Not Found Exception No Such Field Exception Interrupted Exception No Such Method Exception Class Not Found Exception No Such Element Exception Undeclared Throwable Exception Empty Stack Exception Arithmetic Exception Null Pointer Exception Array Index Out of Bounds Exception Most Asked Core Java Interview Questions and Answers:    • Core Java frequently asked Interview Quest...   Advance Java Interview Questions and Answers:    • Advance Java Interview Questions   Java 8 Interview Questions and Answers:    • Java 8 Interview Questions(New Features)   Hibernate Interview Questions and Answers:    • Hibernate Interview Questions Java   Spring Boot Interview Questions and Answers:    • Advance Java Interview Questions   Angular Playlist:    • Angular Course Introduction || Angular 8   SQL Playlist:    • SQL Interview Questions and Answers   GIT:    • GIT   Subscriber and Follow Code Decode Subscriber Code Decode: https://www.youtube.com/c/CodeDecode?... LinkedIn :   / codedecodeyoutube   Instagram:   / codedecode25   #exceptions #java #codedecode