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After the analysis of the existing network teaching system limitations, this paper indicated that the existing network education system could not adapt to the changes in management mode of teaching and could not share the information and resources in a wide range. Inspired by the advantages of service oriented architecture (SOA), SOA-based network teaching system was proposed. In the mean time, a...
Java is one of the most popular programming architectures because of its platform-independence. A Java processor called ??JOP?? accelerates the speed of Java applications by executing Java bytecode instructions directly instead of by software emulation. However, instructions in Java executable file need to be resolved before executed. JOP finishes this resolving procedure in the Java application compiling...
A novel steganographic scheme is proposed in this paper to embed secret message into Java executable files. It analyzes firstly the format of Java class file, and then reorder the indexes of constants to embed messages. Expensive experiments show that the stego file modified by the proposed scheme still have the same file size and the implementation performance as cover. It is concluded that our scheme...
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