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Tip of the Day
Language: Java
Expertise: Intermediate
Nov 7, 2000

Utility Method for Quickly Copying a Portion of an Array

The Java language system has a very useful native method, which copies an array from the specified source array, beginning at the specified position, to the specified position of the destination array:
 
public static void arraycopy(Object src, 
int src_position, Object dst, int dst_position, 
int length)

Since this method is implemented natively, it is very quick and efficient. This would be very useful for handling Image and Multimedia-related data, stored in byte-arrays.

Shasi Velur
 
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