JAD and JAR cell phone software, the difference?

JAD and JAR cell phone software, the difference? Java in the jad file is a description of jar, jad jar files describe the size and location. Open the jad, according to jad find jar. jad role in a lot of, for example, I can not download jar, first download jad (jad small), understand some basic information after the jar, in deciding whether to download the jar. jad can be stored in a number of key and value, in the midlet running time may be used. If the jar to run directly to get the key and value. For some programs, it can not properly run. JAVA JAVA games and books, from the JAD and JAR are composed of two files, which is shown in the JAD file is used to identify the JAVA program, match the model cell phones and cell phone games when read to determine the capacity (which is why Sometimes there can not download the game we can change the JAD file because it can be downloaded) and JAR files belong to the program body file is the game itself, so it, whether it is e-book download JAVA or JAVA games, JAD file and the JAR files are essential.