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How an exception subclass is created in java explain?
We can create a exception sub class by extending Exception class available in java
What is the purpose of NoMatchException handling method in java?
java exception
Which exception is thrown by the add method of Collection interface in java?
exception
Describe the JAVA throwable class hierarchy and types of exceptions?
In Java there are two main types of Exceptions. * Checked Exceptions - The ones that can be checked & handled in our code. Ex: I/O Exception, SQL Exception etc. In most cases, the compiler itself forces us to catch & handle these exceptions * Un-checked Exceptions - The ones that we cannot & should not handle in our code. Ex. Null Pointer Exception The java.lang.Throwable is the super class of all errors and exceptions in Java. Only objects of this class can be thrown & caught and handled by try-catch blocks. Ex: try { ..... ..... } catch (Exception e){ ... } finally { ... }
How do you let java into your firewall?
To allow Java through your firewall, you need to create an exception for the Java application in your firewall settings. This usually involves accessing the firewall configuration, navigating to the "Allowed Apps" or "Exceptions" section, and adding the Java executable (java.exe) or the specific Java application you want to allow. Make sure to specify the appropriate network types (private, public) for the exception. After saving the changes, restart the firewall if necessary to apply the new rules.
What is difference between exception handling in C and Java?
Easy: there is no exception-handling in C.
When should we use exception handling in java?
Exception handling should be used in Java in all cases where you as a programmer suspect that your code might throw some exceptions or create errors that might look ugly when a user is using the application. In such cases you use exception handling to catch and handle the exception and exit gracefully. You use the try - catch block in Java for exception handling.
How do you throw exception in java?
we do it using the throw keyword.
Which is the base class of exception handling in java?
Thorwable
Write the 3 user defined exception in java?
1. Arithmetic Exception 2. Input Output Exception 3. Number Format Exception
What is meant by The Java Software Development Kit?
It is a kit of JAVA development tools that are normally not shipped with JAVA! MOST companies have "Development kits" for their software - Java is not an exception!
What exception thrown by sleep method in java?
InterruptedException is thrown.
