Java : IndexOutOfBoundsException with Examples

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

Summary

Thrown to indicate that an index of some sort (such as to an array, to a string, or to a vector) is out of range.

Class diagram

final String[] array = {"aaa", "bbb", "ccc"};

System.out.println(array[0]); // aaa
System.out.println(array[1]); // bbb
System.out.println(array[2]); // ccc

try {
    final var ret = array[4];
} catch (IndexOutOfBoundsException e) {
    System.out.println("IndexOutOfBoundsException! : " + e.getMessage());
}

// Result
// ↓
//IndexOutOfBoundsException! : Index 4 out of bounds for length 3

Constructors

IndexOutOfBoundsException ()

Constructs an IndexOutOfBoundsException with no detail message.

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

IndexOutOfBoundsException (int index)

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

final var e = new IndexOutOfBoundsException(123);

// java.lang.IndexOutOfBoundsException: Index out of range: 123
System.out.println(e);

IndexOutOfBoundsException (long index)

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

final var e = new IndexOutOfBoundsException(10000000000L);

// java.lang.IndexOutOfBoundsException: Index out of range: 10000000000
System.out.println(e);

IndexOutOfBoundsException (String s)

Constructs an IndexOutOfBoundsException with the specified detail message.

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

Summary

Constructors

IndexOutOfBoundsException ()

IndexOutOfBoundsException (int index)

IndexOutOfBoundsException (long index)

IndexOutOfBoundsException (String s)

Methods declared in Throwable

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

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