The reduction of JAR file sizes is done through the removal of redundant class attributes, merging and sorting of some constant-pool data within the class files, the storage of internal data structures, the use of variable length and delta encoding as well as by picking types of optimum coding. This reduces the JAR file size up to 60% but since this is not a lossless compression, the JAR files produced through packing and unpacking will come out the same as the original file even if the class file structures are rearranged. PACK200 functions as JAR file compressors and it deals mainly with Java class files. This software is known as an HTTP compression method that is responsible for the transferring of JAR files over a network faster and easier and it is mainly included in the Java 1.5.0. The Oracle PAX200 software is also referred to as PACK200 and this was developed by Oracle Corporation.
0 kommentar(er)
