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分享Object[] original = {...};
Object[] a1 = new Object[8];
Object[] a2 = new Object[8];
Object[] a3 = new Object[8];
Object[] a4 = new Object[8];
System.arraycopy(original, 0, a1, 0, 8);
System.arraycopy(original, 8, a2, 0, 8);
System.arraycopy(original, 16, a3, 0, 8);
System.arraycopy(original, 24, a4, 0, 8);public static native void arraycopy(Object src, int srcPos,
Object dest, int destPos,
int length);