Guided Tour - Department of Electrical Engineering & Computer
Contents
1. 90 XDA B OE THEE class First public static void main String args i System out println My name 1s irre Save your code by selecting Save from the File menu save the file as First java in your newly created cse1020 directory In your open linux command terminal enter the command cd cse1020 to change to your newly created directory Now enter the command javac First java to compile your java program into bytecode If everything went well your cse1020 directory should now contain two files First java and First class You can see this by entering the command ls l in the terminal Now enter the command java First to run your newly compiled java program Running eCheck From The Linux Command Line Complete the first eCheck exercise for Chapter 1 of the textbook Create a class called Check01A Read the requirements for eCheck01A and write the necessary code The result is similar to First java Save your code by selecting Save from the File menu in jEdit To eCheck your code open a terminal and enter the command cd cse1020 to change to your 1020 directory Now enter the command java eCheck Check01A to eCheck your code Guided Tour v 3 Page 5 CSE 1020 M 2012 13 W The eCheck tool will compare the output of your program with the expected correct output If there is a discrepancy it outlines the difference In the example below see Running eCheck in Eclipse for example run the output is mi2. becomes directly accessible from the External Tools submenu The eCheck tool will compare the output of your program with the expected correct output If there is a discrepancy it outlines the difference In the example below the output is missing a colon before the account name Make the necessary changes to correct your code and eCheck it again Repeat this process until eCheck reports that your code Successfully passed all tests Note that eCheck can only check eCheck exercises i Problems Javadoc Declaration El Console A lt terminated gt eCheck Program cse local bin java Switching to CHECK ONLY mode Creating a randomized vector Conducting tests please wait Your program failed to produce the expected output when the command line arguments were 0 stevenc Here is your output surrounded by arrow signs gt My Account Number is cseXXxxx lt And here is the expected one also surrounded by arrow signs gt My Account Number is cseXXXXX lt Specifically the following line caused the mismatch position 20 contains Unicode 32 instead of 58 Expected My Account Number is cseXXXxXX Your App My Account Number is cSe XXXXX A Guided Tour v 3 Page 8 CSE 1020 M 2012 13 W Submitting Assignments In computer science courses you will be required to submit assignments and lab tests To do so you will use the submit command which has the followi
3. Description Records the commands and output generated at the terminal until exit is entered The record is written to a file whose name is passed as an argument Auto Completion and Command History You do not have to type entire filenames or directory paths Type the first couple of characters followed by the TAB key The operating system will complete the rest of the name or path If there are multiple matches the operating system will complete only the common portion You will have to type additional characters to identify the desired file or directory To repeat a command at a terminal you can use the up and down arrow keys to cycle through commands you previously entered Guided Tour v 3 Page 11 CSE 1020 M 2012 13 W
4. a program 7 e type filter text ElMaina er afresh a Build PS Environment Common Ant Build Location API Use Report cse local bin java CY G amp Program D Browse Workspace Browse File System Variables Working Directory a workspace loc project_ name src Browse Workspace Browse File System Variables Argumen TI eCheck selected_resource_name Note Enclose an argument containing spaces using double quotes Apply Revert Filter matched 4 of 4 items Close Run Guided Tour v 3 Page 4 CSE 1020 M 2012 13 W Create Your First Java Program Using jEdit amp Linux Command Line Open a terminal and enter the command mkdir cse1020 to make a directory called cse1020 Enter the command jedit amp to launch jEdit The amp symbol will cause the program to detach and run in the background allowing you to continue using the command line brandon Pandora brandon Pandora brandon Pandora mkdir cse1020ff brandon Pandora mkdir ete brandon Pandora jedit amp In jEdit type the following code Public class First p blie static void main String args System out println My name is jEdit First java File Edit Search Markers Folding View Utilities Macros Plugins Help baal jade amp
5. mae Gy tp ED FY 79 java EE Fat Quick Access c Ou i Pa amp S O ASe y v Test ay Java Project gt mAJRE System Open in New Window Ti Project Open Type Hierarchy F4 AY Package Show In Shift Alt w P C Class Interface r Eris E Copy Ctrl C ES Canu Oualifiad Nama Enter First as the name of the class Enable public static void main String args and click Finish New Java Class Java Class amp The use of the default package is discouraged Q Source folder Test src Browse Package default Browse C Enclosing type Browse Name Modifiers public C abstract _ final L_ static Superclass java lang Object Browse Interfaces Add Which method stubs would you like to create K G pYic static void maintStringt args Crannetrirtare from cinarrlace default C private C protected If Eclipse asks you to Open Associated Perspective enable Remember my decision and click Yes In the tabbed pane titled First java type the following code replace with your name public Class First CUblic Static Void min String args System out printin My name is Save your code by selecting Save from the File menu Next click on the triangle next to the run button circled below and then se
6. Guided Tour Version 3 3 By Steven Castellucci as Modified by Brandon Haworth This document was inspired by the Guided Tour written by Professor H Roumani His version of the tour can be accessed at the following URL http www cse yorku ca rouman1 jbaY ork GuidedT our pdf The Desktop Application menu Run Program E Terminal Emulator File Manager Bluefish Editor Eclipse Terminal window Firefox and Thunderbird i Virtual desktops E lll ma one Applications Menu For a list of available applications click the CSE Menu An application can be started by selecting it from the menu In addition to Firefox and Thunderbird other applications include Eclipse an environment in which to write and run programs Acrobat Reader to view and print PDF files and OpenOffice to create edit and print Office documents You can also log out by selecting Log Out at the bottom of the menu Terminal The terminal also known as the console or the command line allows you to enter commands You can use the terminal to make directories move and copy files run applications and submit your programs It is the most versatile operating system component that you will use in computer science Starting Firefox and Thunderbird The Firefox Internet browser and the Thunderbird email client can be started with a single click Firefox is configured with department specific bookmarks while Thunderbird is conf
7. ding send an email to your CSE address e g cseXXXXX cse yorku ca and check your other email address es Simple Terminal Commands Command pwd Example pwd Description Displays the current directory a k a working directory The same output can be seen a terminal window title bar Command man command Example man submit Description Displays the user manual for the passed command The user manual details the type and number of arguments required by the command and lists all the available command options To scroll through the user manual press the spacebar To exit the user manual simply press the Q key Command mkdir dirName Example mkdir eChecks Description Creates a subdirectory with the passed name in the current directory The example creates a subdirectory called eChecks Command cd dirName Example 1 cd Example2 cd Example 3 cd mail Description Without any argument Example 1 this command changes the working directory to your home directory equivalent to the My Documents folder in Windows With the argument Example 2 this command changes the working directory to the parent directory If you provide the name of a subdirectory as an argument Example 3 this command changes the working directory to be that subdirectory e g the subdirectory called mail Command 1s dirName Example 1 1s Example2 1s mail Example3 1s txt Description Lists the contents of the directo
8. e for the code formatter preview b Appearance y b Build Path v Code Style package mypackage import java util LinkedList Clean Up public class MyIntStack private final LinkedList fStack public MyIntStack fStack new LinkedList b Cramnpiler 1 Enter York as the profile name and select the Braces tab For each option select Next line Click OK Profile Eclipse Profi Ce D o SSS Indentation Braces white Space Blank Lines New Lines Control Statements L Brace positions Class or interfa Serene a Next line N Anonymous i m Tented 7 Next line Next line Next line on wrap Constructor decl Next line Method declaration Next line Cni darlaratinan Mavt lina Guided Tour v 3 Page 3 CSE 1020 M 2012 13 W To allow eCheck to check your eCheck exercises it needs to be configured as an external tool Open the Run menu and then select External Tools and External Tools Configurations From the left pane select Program then click the new icon sheet with a plus sign Fill in the center pane as follows Name eCheck Location cse local bin java Working Directory workspace loc project name src Arguments eCheck selected resource name Click Apply and then Close Eclipse is now configured to write run and test programs for CSE 1020 4 External Tools Configurations Create manage and run configurations Run
9. igured to access your CSE mail account To receive your CSE mail elsewhere please refer to the section Mail Forwarding Guided Tour v 3 Page 1 CSE 1020 M 2012 13 W Virtual Desktops The operating system s desktop is where you can arrange your application windows You can arrange you windows across four by default virtual desktops Although you can only work with one at a time the applications on all desktops remain running To switch between desktops you can click on the thumbnail images Alternatively you can scroll the mouse wheel on an empty portion of the desktop Even if you do not use the virtual desktops make sure that you do not accidentally switch to them as you work Configuring eCheck Every chapter in the textbook ends with lab assignments called eChecks programs that are checked electronically You will learn more about eChecks in the textbook However you must first configure the eCheck program that checks your code Enter the command java Options ata terminal 4 Options version 7A t X OX ork Offline no marks will be recorded Login ID csexxxxx Password eeeeeee eCheck URL http www cse yorku ca roumani type ec ec cgi Uncheck Work Offline Enter your username password and the following URL http www cse yorku ca roumani type ec ec cgi Double check that you entered the URL correctly When you are finished click Apply Configuring Eclipse Open a termi
10. lect Run As then Java Application This only has to be done once per program Subsequent times you can click the Run button green circle with a white triangle The output appears in the bottom pane in Eclipse Guided Tour v 3 Page 7 CSE 1020 M 2012 13 W i Java Test src First java Eclipse TEST EDA File Edit Source Refactor Navigate Search Project Run Window Help TT e E ile Gia eo yp 4s amp Ei MER gle M2 Or i Quick Access FY 79 java EE Java gt 1 Java Application Shift Alt X J Ou Pa 8 p 3 Fir g Run Configurations Organize Favorites public class First v Test v src v default package f public static void main String args param args b mA JRE System Library System out println Hello world Congratulations You have just written your first program in 1020 this term Running eCheck in Eclipse Complete the first eCheck exercise for Chapter 1 of the textbook Create a class called Check01A in the Test project Read the requirements for eCheck01A and write the necessary code The result is similar to First java Save your code by selecting Save from the File menu To eCheck your code open the Run menu and then select External Tools and External Tools Configurations From the left pane select eCheck and then click Run After doing this once eCheck
11. luded in your course fee 1s a print quota of 500 pages To display the number of pages remaining in your quota enter the command pquota ata terminal Typically you can print an open file by selecting Print from the File menu After you send the file to be printed go to any print station in room CSEB 1002 1004 or 1006 Touch the screen to activate it Enter your username and password using the attached keyboard Ensure that the files you want printed are selected and press the print icon in the bottom left corner To exit without printing press the exit icon If you experience any printing problems contact the lab monitor Guided Tour v 3 Page 9 CSE 1020 M 2012 13 W Y E R K Department of Computer Science and Engineering 3 Department of Computer Science and Engineering UNIV R ire UN WE Wa UN iveRrsitet PRINT RELEASE STATION PRINT RELEASE STATION TR R SITY Please Log In To Print Username Password Waiting For Identification Touch an entry to select or unselect it EXIT Mail Forwarding You can have your CSE mail automatically forwarded to the email account of your choice e g yorku ca gmail com hotmail com etc To do so open a web browser and go to mail cse yorku ca Log in using your CSE username and password From the left pane select Options then Mail From the center pane select Filters Edit your filter rules then Forward Enter the your other email address es and click Save To test the forwar
12. nal and enter the command mkdir cse1020 to make a directory called cse1020 The squiggly character is a tilde It represents your home directory and appears above the TAB key on the keyboard This directory will be used to organize your 1020 programs Next start Eclipse by entering eclipse amp Terminal Terminal File Edit View Terminal Go Help File Edit View Terminal Go Help jun 1 302 mkdir csel020 jun01 303 eclipse amp jun 1 302 mkdir cse1020f Guided Tour v 3 Page 2 CSE 1020 M 2012 13 W When Eclipse starts it asks where it should store your programs Click Browse select the cse1020 directory you just created and click OK Enable Use this as the default and do not ask again and click OK CF Workspace Launcher t Xx Select a workspace Eclipse stores your projects in a folder called a workspace Choose a workspace folder to use for this session Workspace cse home cseXXXXX cse1020 E ans C Close the Welcome tab in Eclipse Open the Windows menu and select Preferences In the left pane expand Java Code Style select Formatter and click Edit Preferences Formatter m dew b General al Configure Project Specific Settings b Ant Active profile Browser Eclipse built in b C C b Data Management New Import b Help b Install Update Preview v java prn A sample source fil
13. ng structure submit course assignmentName yourFilel yourFile2 yourFileN For example submit 1020 LEXxO Farst java However Eclipse saves all your programs in its workspace Before submitting your work you will need to navigate to the correct directory As an example let us submit First java from the Test project as your solution to LEx0 It is located in the src directory of the Test project in the workspace directory Open a terminal or use an existing one and enter cd cse1020 Test src to navigate to the directory containing First java Enter the command 1s 1 el not one to list the contents of directory Using 1 also displays the modification date time Sometimes students accidentally submit the wrong file Check the modification time of First java to make sure that it is the correct version of the file that you want to submit 1 e the latest one Then enter the submit command provided to you in the test assignment or exercise For LEXO it is the following submit 1020 LEx0 First java a Terminal File Edit View Terminal Go Help junOl 302 cd csel1020 Test src jun01 303 ls l total 4 fWX 1 cseXXXXX ugrad 3 Jan 10 13 00 First java jun01 304 submit 1020 LEx First java It is recommended that you submit your files early and often Newer files overwrite those with the same name For more information enter the command man submit ata terminal Printing Files Inc
14. ry specified by the argument Without any arguments Example 1 this command lists the visible contents of the working directory If the argument is a directory name Guided Tour v 3 Page 10 CSE 1020 M 2012 13 W Example 2 this command lists the visible contents of that directory e g the subdirectory called mail Example 3 lists all files in the current directory that have a txt extension You can use the wildcard to search for files that match a pattern There are many options for this command such as a to show hidden files and 1 to show file and directory details Enter the command man 1s for further details Command rm fileOrDir Examplel rm First java Example 2 rm r eChecks Description Removes the file or directory indicated by the argument The first example deletes the file First java The second example note the r option removes directory called eChecks and all of its contents Use this command with caution Command cp orgnl cpy Example cp First java First backup java Description Copies the file orgn to the location cpy The example creates a copy of First java called First_backup java Command mv old new Example mv First java Second java Description Moves the file old to the location new This command can also be used to rename files The example renames First java to Second java Command script log Example script Al log txt
15. ssing a colon before the account name Make the necessary changes to correct your code and eCheck it again Repeat this process until eCheck reports that your code Successfully passed all tests Note that eCheck can only check eCheck exercises Creating Your First Java Program Using Eclipse Open the File menu and select New and then Project lay Edit Navigate Search Project Run Window Help ice eM i JPA Project Open File Enterprise Application Project Close Ctri w T Dynamic Web Project Close All Shift Ctri W 4 EJB Project lt a TERE W Connector Project EF Application Client Project fie eierat eras 37 Static Web Project W Project y E Qarulot Select Java Project and click Next New Project Select a wizard lt gt Create a Java project Wizards type filter text Java Project Java Project from Existing Ant Buildfile F Plua in Proiect Enter Test as the project name and click Finish New Java Project Create a Java Project Create a Java project in the workspace or in an external location Project name Test 3 Use default location Right click the project name in the left pane and select New and then Class Guided Tour v 3 Page 6 CSE 1020 M 2012 13 W Java Eclipse File Edit Source Refactor Navigate Search Project Run Window Help Tt BG Se O a i ig e eee
Download Pdf Manuals
Related Search