java.util.AraayList is the collection class that is used to hold collection of Objects. Example: ArrayList all=new ArrayList(); The above line creates new ArrayList name as all. yoe can add objects to it by using the add method. Example: all.add(object); An ArrayList can have many number of elements.you can get the object specified .

Present age is the age of science . Science has affected the every day life of human being to a larger extent. Every thing ha become possible now-a-days what was considered impossible in ancient times. Sciences has given tongue to the mute, eyes to blind, limb to cripple and wings to all men. Sciences has [...]

The application program creates the application model either a priori as a result of prior computation, as in an engineering or scientific simulation on a supercomputer, or as part of an interactive session at the display device during which the user guides the construction process step by step to choose components and geometric and nongeometric [...]