Java Vector toArray() Method

The toArray() Java Vector class method is used to get an array containing all of the elements in this vector in the correct order. There is two different types of Java toArray() method which can be differentiated depending on its parameter. These are:

1. Java Vector toArray() Method
2. Java Vector toArray(T[] arr) Method

toArray() Method:

This method is used to return an array which contains all of the elements in this vector in the correct order.

toArray(T[] arr) Method:

This method is used to return an array which contains all of the elements in this vector in the correct order. The runtime type of the returned array is that of the specified array.

Syntax

Following is the declaration of toArray() method:

Parameter

Return

The toArray() method returns an array containing all of the elements in the given collection.

Exceptions

NullPointerException- This method has thrown an exception if the specified array is null.

ArrayStoreException- This method has thrown an exception if the runtime type of arr, <T>, is not a supertype of the runtime type, <E>, of every element in this vector.

Compatibility Version

Java 1.2 and above

Example 1

Output:

Elements are: 
1
2
3
4
5

Example 2

Output:

Contents of a vector are: 
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COBOL
Elements of the array: 
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COBOL

Example 3

Output:

The elements are:
10
30
20
40
null