This tutorial will introduce the three levels of the HDF-Java products: the HDF-Java wrapper (or Java Native Interfaces to the standard HDF libraries), the HDF-Java object package, and the HDFView. The Java wrapper provides standard Java APIs that allow applications to call the C HDF libraries from Java. The HDF-Java object package implements HDF data objects, e.g. Groups and Datasets, in an object-oriented form and makes it easy for applications to use the libraries. The HDFView is a visual tool for browsing and editing HDF4 and HDF5 files.
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