CharBuffer allocate() method in Java with Examples
The allocate() method of java.nio.CharBuffer Class is used to allocate a new char buffer next to the existing buffer. The new buffer’s position will be zero. Its limit will be its capacity. Its mark will be undefined. And each of its elements will be initialized to zero. It will have a backing array, and its array offset will be zero.
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public static CharBuffer allocate(int capacity)
Parameter: This method takes the new buffer’s capacity, in char, as a parameter.
Return Value: This method returns the new char buffer.
Exception: This method throws the IllegalArgumentException if the capacity is a negative integer.
Below program illustrates the allocate() method:
ChartBuffer: [a, , , b, , , , , , ]
Examples 2: To demonstrate IllegalArgumentException
Trying to allocate a negative integer Exception thrown: java.lang.IllegalArgumentException