question: public void reset ( boolean zeroFillBuffers , boolean reuseFirst ) { if ( bufferUpto != - 1 ) { if ( zeroFillBuffers ) { for ( int i = 0 ; i < bufferUpto ; i ++ ) { Arrays . fill ( buffers [ i ] , 0 ) ; } Arrays . fill ( buffers [ bufferUpto ] , 0 , intUpto , 0 ) ; } if ( bufferUpto > 0 || ! reuseFirst ) { final int offset = reuseFirst ? 1 : 0 ; allocator . recycleIntBlocks ( buffers , offset , 1 + bufferUpto ) ; Arrays . fill ( buffers , offset , bufferUpto + 1 , null ) ; } if ( reuseFirst ) { bufferUpto = 0 ; intUpto = 0 ; intOffset = 0 ; buffer = buffers [ 0 ] ; } else { bufferUpto = - 1 ; intUpto = INT_BLOCK_SIZE ; intOffset = - INT_BLOCK_SIZE ; buffer = null ; } } }
target:  Expert: Resets the pool to its initial state reusing the first buffer. 