Java : ArrayIndexOutOfBoundsException with Examples

ArrayIndexOutOfBoundsException (Java SE 21 & JDK 21) with Examples.
You will find code examples on most ArrayIndexOutOfBoundsException methods.

Summary

Thrown to indicate that an array has been accessed with an illegal index. The index is either negative or greater than or equal to the size of the array.

Class diagram

final int[] array = {10, 20, 30};

System.out.println(array[0]); // 10
System.out.println(array[1]); // 20
System.out.println(array[2]); // 30

try {
    final var ret = array[3];
} catch (ArrayIndexOutOfBoundsException e) {
    System.out.println(e);
}

// Result
// ↓
//java.lang.ArrayIndexOutOfBoundsException: Index 3 out of bounds for length 3

Constructors

ArrayIndexOutOfBoundsException ()

Constructs an ArrayIndexOutOfBoundsException with no detail message.

final var e = new ArrayIndexOutOfBoundsException();
System.out.println(e); // java.lang.ArrayIndexOutOfBoundsException

ArrayIndexOutOfBoundsException (int index)

Constructs a new ArrayIndexOutOfBoundsException class with an argument indicating the illegal index.

final var e = new ArrayIndexOutOfBoundsException(123);

// java.lang.ArrayIndexOutOfBoundsException: Array index out of range: 123
System.out.println(e);

ArrayIndexOutOfBoundsException (String s)

Constructs an ArrayIndexOutOfBoundsException class with the specified detail message.

final var e = new ArrayIndexOutOfBoundsException("abcd");
System.out.println(e); // java.lang.ArrayIndexOutOfBoundsException: abcd

Methods declared in Throwable

addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Please see the link below.

Throwable with Examples

API Examples

Java : ArrayIndexOutOfBoundsException with Examples

Summary

Constructors

ArrayIndexOutOfBoundsException ()

ArrayIndexOutOfBoundsException (int index)

ArrayIndexOutOfBoundsException (String s)

Methods declared in Throwable

addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

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