Exception Hierarchy:
Throwable is the super class.
Hierarchy Exception

Hierarchy Error

Throwable
- Error
- AssertionError
 - LinkageError
- BootstrapMethodError
 - ClassCircularityError
 - ClassFormatError
- UnsupportedClassVersionError
 
 - ExceptionInInitializerError
 - IncompatibleClassChangeError
- AbstractMethodError
 - IllegalAccessError
 - InstantiationError
 - NoSuchFieldError
 - NoSuchMethodError
 
 - NoClassDefFoundError
 - UnsatisfiedLinkError
 - VerifyError
 
 - ThreadDeath
 - VirtualMachineError
- InternalError
 - OutOfMemoryError
 - StackOverflowError
 - UnknownError
 
 
 - Exception
- CloneNotSupportedException
 - InterruptedException
 - IOException
- FileNotFoundException
 - SocketException
- ConnectException
 
 - UnknownHostException
 
 - ReflectiveOperationException
- ClassNotFoundException
 - IllegalAccessException
 - InstantiationException
 - InvocationTargetException
 - NoSuchFieldException
 - NoSuchMethodException
 
 - RuntimeException
- ArithmeticException
 - ArrayStoreException
 - ClassCastException
 - ConcurrentModificationException
 - EnumConstantNotPresentException
 - IllegalArgumentException
- IllegalThreadStateException
 - NumberFormatException
 
 - IllegalMonitorStateException
 - IllegalStateException
 - IndexOutOfBoundsException
- ArrayIndexOutOfBoundsException
 - StringIndexOutOfBoundsException
 
 - NegativeArraySizeException
 - NullPointerException
 - SecurityException
 - TypeNotPresentException
 - UnsupportedOperationException
 
 
 
Java interview questions on Exception Handling
- what is an exception?
 - How the exceptions are handled in java?
 - What is the difference between error and exception in java?
 - Can we keep other statements in between try catch and finally blocks?
 - Explain the exception hierarchy in java?
 - What are runtime exceptions in java?
 - What is outofmemoryerror in java?
 - What are checked and unchecked exceptions in java?
 - What is the difference between classnotfoundexception and noclassdeffounderror in java?
 - Will finally block get executed if return?
 - Can we throw an exception without throws?
 - What is rethrowing an exception in java?
 - What is the use of throws keyword in java?
 - What is exception propagation in java?
 - Difference between throw and throws in java?
 - What is finally in java?
 - What is the difference between final finally and finalize in java?
 - How to create customized exceptions in java?
 - What is classcastexception in java?
 - What is stackoverflowerror in java?
 - What is the superclass of all exception classes?
 - What is the use of printstacktrace method in java?
 - What is arraystoreexception in java?