Scjp Java Se6 - Exceptions

Front 1

ArrayIndexOutOfBoundsException:

(Thrown by the JVM)

Back 1

- Thrown when attempting to access an array with an invalid index value.

- Either negative or beyond the length of the array.

Front 2

ClassCastException:

(Thrown by the JVM)

Back 2

- Thrown when attempting to cast a reference variable to a type that fails the IS-A test.

Front 3

IllegalArgumentException:

(Thrown Programmatically)

Back 3

- Thrown when a method receives an argument formatted differently than the method expects.

Front 4

IllegalStateException:

(Thrown Programmatically)

Back 4

- Thrown when the state of the environment does not match the operation being attempted, e.g., using a Scanner that's been closed.

Front 5

NullPointerException:

(Thrown by the JVM)

Back 5

- Thrown when attempting to access an object with a reference variable whose current value is null.

Front 6

NumberFormatException:

(Thrown Programmatically)

Back 6

- Thrown when a method that converts a String to a number receives a String that it cannot convert.

Front 7

AssertionError:

(Thrown Programmatically)

Back 7

- Thrown when a statement's boolean test returns false.

Front 8

ExceptionInInitializerError:

(Thrown by the JVM)

Back 8

- Thrown when attempting to initialize a static variable or an initialization block.

Front 9

StackOverflowError

(Thrown by the JVM)

Back 9

- Typically thrown when a method recurses too deeply.

- Each invocation is added to the stack.

Front 10

NoClassDefFoundError

(Thrown by the JVM)

Back 10

- Thrown when the JVM can't find a class it needs, because of a command-line error, a classpath issue, or a missing .class file.

Front 11

Throwable is implemented by Exception and Error.

Back 11

Throwable and Exception are checked exceptions (white boxes).

Front 12

Error and AssertionError are unchecked exceptions (shaded boxes).

Back 12

IOError extends Error and it is an unchecked exception (shaded boxes).

Front 13

IOException, EOFException and FileNotFoundException are checked exceptions (white boxes).

Back 13

RuntimeException extends Exception and it is an unchecked exceptions (shaded boxes).

Front 14

AritmeticException, ClassCastException, IllegalArgumentException and NumberFormatException extends from RuntimeException and are unchecked exceptions (shaded boxes).

Back 14

IllegalStateException, IndexOutOfBoundsException, ArrayIndexOutOfBoundsException extends from RuntimeException and are unchecked exceptions (shaded boxes).