arrays the array is the most commonly used data storage structureit' built into most programming languages because arrays are so well knownthey offer convenient jumpingoff place for introducing data structures and for seeing how object-oriented programming and data structures relate to one another in this we'll introduce arrays in java and demonstrate home-made array class we'll also examine special kind of arraythe ordered arrayin which the data is stored in ascending (or descendingkey order this arrangement makes possible fast way of searching for data itemthe binary search we'll start the with java workshop applet that shows insertionsearchingand deletion in an array then we'll show some sample java code that carries out these same operations later we'll examine ordered arraysagain starting with workshop applet this applet will demonstrate binary search at the end of the we'll talk about big notationthe most widely used measure of algorithm efficiency the array workshop applet suppose you're coaching kids-league baseballand you want to keep track of which players are present at the practice field what you need is an attendance-monitoring program for your laptop-- program that maintains database of the players who have shown up for practice you can use simple data structure to hold this data there are several actions you would like to be able to performinsert player into the data structure when the player arrives at the field in this the basics of arrays in java dividing program into classes class interfaces java code for an ordered array logarithms storing objects big notation why not use arrays for everything