graphic software vector

The specific method is as follows:1. Search for "itunes" through Baidu to go to Apple's official website;2. Go to the Apple website and you will see the following page. Select the "itunes" tab;3. Go to the itunes download page and click "Download itunes ";4. Go to the download page and download different versions based on the number of digits of the machine;5. After the download is complete, click exe to install it. The loading progress bar is displayed first;6.

that the implementation class points to the interface, the arrow is a triangle, and the line is a dotted line. 3. Link: A) one-way Association: As far as chasing mm is concerned, many people seldom find her, but she is not uncommon. B) two-way Association: for husband and wife, a man can only have one wife, while a woman can only have one husband. C) Self-Association: Typically, in the menu, the sub-menu and the parent menu encapsulate the same data, but the menu class must have its own refe

. of course, there are also a lot of software not available in the Ubuntu storage library, and these software has a variety of formats, so the installation method is also different. next I will give a detailed summary of how to install software in Ubuntu. 1. Use the new software package manager to install the program.

can passApt-cache Search XXXXTo find out if there is any software we want to install in the Software library. For example, we want to see if there is a common debug tool cgdb, you can useApt-cache Search CgdbTo find:When you find it, you can go throughsudo apt-get Install CgdbTo install it.We can install multiple software at once, such assudo apt-get install git

. ================================ ======1. Use Case: The function provided by the system for the participants. Generally, it is called a word with attention.2. Relationship between use cases --> dotted line:A) Inclusion relationship: major features include the "include" sub-functions.B) extended relationships: encapsulate [relatively independent and optional] actions in the basic use case with extended extends. -- Dotted line ReverseC) General Relationship: general and special (abstract class/i