How to split an array (*not String*) into smaller arrays?

Question

Hello,
let's say you have an array of bytes whith length (for example) 5000B. Now you want to split this array into smaller ones, for example 1500B. Then you will have 3 arrays of 1500B and another one of 500B. What I try to do then is the following:
pointer = 0;
size = source.length; // For example, size = 5000
maxsize = 1500;
while ((size - pointer) > maxsize) {
   byte[] dest = new byte[maxsize];
   System.arraycopy(src, pointer, dest, pointer, maxsize);  // <--- Errors here!
   pointer += maxsize;
   // Do some stuff here with the dest array
}There's no errors at compile time. But at runtime, the first iteration everything works OK (the 1500 first bytes are copied to the dest array). However, in the second iteration, the java interpreter claims:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException
        at java.lang.System.arraycopy(Native Method)And I don't know what I'm doing bad. I guess there's a stupid question I can't see by myself... Help wanted, please!

Answer 1

> System.arraycopy(src, pointer, dest, pointer, maxsize);should be
System.arraycopy(src, pointer, dest, 0, maxsize);Since you're copying to the first position in the destination array.