Java Magazine, Nov/Dec 2017
Application Java Card Runtime Environment ORACLE COM JAVAMAGAZINE NOVEMBER DECEMBER 2017 80 java card Inside Java Card Oracle provides a wide range of components to develop Java Card applications including specifications development tools and security documentation Java Card specification Figure 2 shows the Java Card development platform As you can see the Java Card specification contains three primary components that support application development The VM specification for the Java Card platform provides the instruction set of the Java Card VM the supported subset of the Java language and the file formats used to install applets and libraries into Java Card technology enabled devices The runtime environment RE specification for the Java Card platform defines the necessary behavior of the RE in any implementation of Java Card technology The RE includes the implementation of the Java Card VM the Java Card API classes and runtime support services such as the selection and deselection of applets The API for the Java Card platform complements the Java Card RE specification It contains the class definitions to support the Java Card VM and the Java Card RE Java Card Development Kit This freely available download includes a complete standalone development environment in which applications written for the Java Card platform can be Application Application Java Card Virtual Machine Figure 2 The Java Card development platform Java Card API
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