Exception Hierarchy | Difference Error and exception | Checked Exception and Unchecked Exception
Exception Hierarchy | Difference Error and exception | Checked Exception and Unchecked Exception
Difference between Checked and Unchecked Exception
Difference between Checked exceptions and Unchecked exceptions
Difference between Checked and Unchecked Exceptions Part - 1
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Checked
checked Exceptions examples
File Not Found Exception
No Such Field Exception
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Unchecked Exceptions examples
No Such Element Exception
Undeclared Throwable Exception
Empty Stack Exception
Arithmetic Exception
Null Pointer Exception
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EXCEPTION HANDLING - JAVA PROGRAMMING
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Important points :
Object class is the root class of all classes in java.
Throwable class is the root class of Java Exception classes.
Throwable class has two subclasses Error and Exception.
Exception are recoverable. We can handle them.
Error is not recoverable. Programmer can’t handle them.
Exception can occur due to programmer fault.
Error can occur due to lack of system resources.
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An exception is an abnormal event that disrupts the normal flow of program. it may lead to the termination of that program.
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Types of exception:
1. Checked Exceptions :
It is called compile-time exceptions because these exceptions are checked at compile-time by the compiler.
Example: IOException
2. Unchecked Exceptions:
It is called run-time exceptions. These exceptions are not checked at compile-time by the compiler but they are checked at runtime.
Example: ArithmeticException
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