Android APIs
Added in API level 1



BaseDexClassLoader Base class for common functionality between various dex-based ClassLoader implementations. 
DexClassLoader A class loader that loads classes from .jar and .apk files containing a classes.dex entry. 
DexFile Manipulates DEX files. 
PathClassLoader Provides a simple ClassLoader implementation that operates on a list of files and directories in the local file system, but does not attempt to load classes from the network.