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What are Checked and UnChecked Exception?
A checked exception is some subclass of Exception (or Exception itself), excluding class RuntimeException and its subclasses. Making an exception checked forces client programmers to deal with the possibility that the exception will be thrown.
Example: IOException thrown by java.io.FileInputStream's read() method·
Unchecked exceptions are RuntimeException and any of its subclasses. Class Error and its subclasses also are unchecked. With an unchecked exception, though, the compiler doesn't force client programmers either to catch the exception or declare it in a throws clause. In fact, client programmers might not even know that the exception could be thrown.
Example: StringIndexOutOfBoundsException thrown by String's charAt() method· Checked exceptions must be caught at compile time. Runtime exceptions do not require to be. Errors often cannot be.
Online music store that stores information about song, artist, album, customer, playlist. Also all necessary diagrams - use case, uml, erd
Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Nec
1. final - it is a constant declaration. 2. finally - handles exception. The finally block is optional and gives a mechanism to clean up regardless of what occurs within
short Java application that stores words in an Array or ArrayList.
Define Array ? Indexed collections of variable of similar data types or we can say a Set of organized variables of similar type.
This language was designed to adapt the changing environment and behavior. New methods and instance variables can be added to the client side without any major changes happening at
Write a code in a c++/java for the automaton distributed in the class that accepts keywords(cat,bat,cab). Create an input file along with these words may be two or three copies of
How can we define a computer screen? A computer screen is define as use to display output of computer to the user. Computer screen is consists of pixels.
You should override the hashCode() and equals() functions from the Object class. The default implementation of the hashcode() and equals(), which are inherited from the java.
how to code hosopital management system?
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