![]() ![]() For example, the development order would be D – B – C – A. We begin with the nondependent classes and use them to compose the more complex, dependent objects. Therefore, top-down is also an outside-in approach. In object-oriented systems, this normally means that we work our way from the outer (public) interface of a (sub) system towards the (private) inner life. Next, B and C are dealt with, where the former needs another dummy for class D. Programming and the class tests begin with class A B and C are simulated by dummies. However, if the user decides to enter their password into a note, document, or e-mail on the device, it is possible that it would be stored in the dynamic text file.įigure 3.1. If a user enters a password (or PIN) into a password field on the device, such as when he or she logs into his or her e-mail account, the device knows not to store that information. Many examiners want to know whether passwords are stored in this file, and the technical answer is no. Oftentimes, full text messages and e-mail content are found in this file however, it is impossible to determine any other information about the source, such as date and time or the individual who sent or received the message. Katie-Strzempkas-MacBook:Keyboard kstrzemp$ strings dynamic-text.dat | less It is much more efficient to use the “strings” command and either redirect the output into a text file or display the output through the “less” command (see Chapter 1 on how to use basic Linux commands).
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