Guided Tour (Version 3.2)
Contents
1. CheckO1A java t OX File Edit Search Markers Folding iew Utilities Macros Plugins Help Heen se pni eg am O Check lA java eecs home stevenc 1020 7 1 o 2ipublic class CheckOl1A i 3d z 4 public static void main String args 0 5 6 System out printing Wy name 15 stevenc 7 H af g Compile your code again Correct any syntax error that exist save your changes and recompile When there are no compilation errors check your program using eCheck The command to run eCheck is java eCheck where is replaced with the code for that eCheck exercise For this exercise the code is 01A Terminal jun08 eecs home stevenc 1020 File Edit View Terminal Go Help jun08 284 javac CheckO1A java CheckO1A java 2 error class First is public sho uld be declared in a file named First java public class First 1 error junO8 285 jedit CheckO1A java amp 1 6559 junO8 286 javac CheckO1A java jun08 287 java eCheck 1Aq The eCheck output will indicate that there is a discrepancy in your program s output In this case name should be replaced with Account Number Guided Tour v3 2 Terminal jun0 eecs home stevenc 1020 File Edit View Terminal Go Help Specifically the following Line caused the mismatch E WAELE LAr eantain ai code Y ope tease f 65 Expected My Account Number is stevenc Your App My name is stevenc juno8 289 Page2. jEdit Untithed 1 f OF xX ttt File Edit Search Markers Folding iew Utilities Macros Plugins Help junos 271 as Hen S ae xpo OE pume O O OOOO 4 i 1 1 0 0 text none UTF 83Minir oUG 13 84MB 436 PM File Browser jEdit First java O xX File Edit Search Markers Folding View Utilities Macros Plugins Help Dewa e se X00 BADE Guided Tour v3 2 ka a co L i alo First java v B 2 public class First 3 4 4 public static void main String args 5 6 System out printlin Hy name is 777 7 H a 9 Page 3 EECS 1020 2014 15 F Back at the terminal compile your program by entering the command javac First java If there are any errors outputted to the screen return to jEdit and correct them Make sure you save your changes and compile your code again Terminal jun08 eecs home stevenc File Edit View Terminal Go Help jun0s 270 jedit amp 2 5950 junO8 271 javac First java junOs 272 Once your code compiles run your program by entering the command java First at the terminal Note that the command is java not javac Furthermore note that the java file extension is omitted The output should be My name is Terminal jun08 eecs home stevenc File Edit View Terminal Go Help junO8 270 jedit amp 2 5950 junO8 271 javac First java jun08s 272 java First My name is jun 8 27
3. 7 EECS 1020 2014 15 F Return to jEdit and make the required changes to your code Save the changes recompile your code and run eCheck again jEdit CheckO1A java dP oo il 8 File Edit Search Markers Folding View Utilities Macros Plugins Help fi e 90 00 e COE OcheckolA java Yeecsshome stevenc 1020 de 3 public class CheckO1A a Li 3 z 4 public static void main String args co 5 6 System out printing My Account Number is stevenc 7 al 9 The eCheck program will indicate when your program has passed all tests If your program s output does not match the expected output identify the discrepancy change your code to correct the mismatch and eCheck your program again Terminal jun0g eecs home stevenc 1020 File Edit View Terminal Go Help Compiling CheckO1A java Locating test suite and oracle Obtaining go ahead from server Creating a randomized vector 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 previo
4. file is no longer needed Delete it using the command rm First class Use the rm command with caution as files are not moved to a Trash or Recycle Bin they are deleted permanently Terminal jun08 eecs home stevenc 1020 File Edit View Terminal Go Help jun 8 279 cd 1020 E jun08 280 ls First class First java jun s 281 mv First java Check0lA jav junOs 282 rm First class rm remove regular file First class yf Try compiling the Check01A class You will receive a syntax error stating that the filename should be changed to the class name Terminal jun08 eecs home stevenc 1020 File Edit View Terminal Go Help jun0s 279 cd 1020 junos 280 ls First class First java jun08 281 mv First java Check l1A java jun s 282 rm First class rm remove regular file First class y junos 283 ls CheckO1A java jun 8 284 javac Check 1A java CheckO1A java 2 error class First is public sho uld be declared in a file named First java public class First Open jEdit again to edit the source code This time use the command jedit CheckOl1A java amp to start jEdit and automatically open the file CheckO1A java Again the use of the ampersand amp allows the terminal window to be used while jEdit is running Guided Tour v3 2 Page 6 EECS 1020 2014 15 F Make two changes to the source code 1 change the name of the class to CheckO1A and 2 replace with your EECS username jEdit
5. 3 Close the jEdit window Before we change the program to output your username let us create a directory in which to organize your work Enter the command clear to clear the current contents of the terminal window Terminal jun08 eecs home stevenc File Edit View Terminal Go Help junO8 270 jedit amp 2 5950 junO8 271 javac First java junO8 272 java First My name is 7 junO8 273 1 Done jun08 273 clearfj Guided Tour v3 2 Page 4 EECS 1020 2014 15 F Enter the command 1s to list the contents of the current directory Directories appear in purple files typically appear in black In this directory are at least two files the source file and the compiled class file Terminal jun0 eecs home stevenc File Edit View Terminal Go Help jun 8 274 ls E Desktop Music Templates Documents Pictures Videos Downloads Public WWW First class First java junos8 275 fj Make a directory called 1020 To do this enter mkdir 1020 at the terminal Terminal jun08 eecs home stevenc File Edit View Terminal Go Help junO8 274 ls E Desktop Music Templates Documents Pictures Videos DownLoads Public WWW First class First java junO8 275 mkdir 1020 junos 276 Enter the command 1s again to see that the directory was created Now move both files to the 1020 directory Because both files have similar names we can use the asterisk wildcard to represent both file extensions E
6. Guided Tour Version 3 2 By Steven Castellucci 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 roumani jbaY ork GuidedTour pdf The Desktop Application menu g2 Run Program Terminal Emulator f File Manager Mail Reader D Web Browser Bluefish Editor File VETES Y J Terminal Emulator Web Browser Email Client IE Log Out Virtual desktops O ad osm Be Applications Menu For a list of available applications click the CSE Menu An application can be started by selecting it from the menu or entering a command in the terminal emulator You can also log out by selecting Log Out at the bottom of the menu Terminal Emulator The terminal emulator also known simply as the terminal the console or the command line allows you to enter commands You can use the terminal to make directories move and copy files and run applications It is the most versatile operating system component that you will use in computer science Please refer to the section Simple Terminal Commands Virtual Desktops You can arrange you windows across four virtual desktops Although you can only work with one at a time the applications on all desktops remain running Scrolling the mouse wheel on the desktop will display the virtual desktops in sequence You can also click on the thumbnail images along
7. gineering UNIVERSITE PRINT RELEASE STATION PRINT RELEASE STATION UNIVERSITY Please Log In To Print Print Time 19 30 34 23759 smbprn 00007795 Xh2i Username Password 1 of 1 job is selected for Waiting For Identification Touch an entry to select or unselect it EXIT Configuring eCheck Each chapter of the textbook contains programming exercises called eChecks programs that are checked electronically However you must first configure the eCheck program that checks your code Enter the command java Options ata terminal Uncheck Work Offline Enter your username password and the following URL https www eecs yorku ca roumani type ec ec cgi Double check that you entered the URL correctly When you are finished click Apply Guided Tour v3 2 Page 2 EECS 1020 2014 15 F Options version 7A tx Work Offline no marks will be recorded Login ID Istevenc Password sssssssa gt OS eCheck URL httos www eecs yorku ca roumantd type ec ec cq7 Creating a Java Program Open a terminal emulator by clicking on its icon at the bottom of the screen Type jedit amp and press Enter on the keyboard Including the ampersand amp will allow to you to use the terminal while jEdit is running Type the following code in the jEdit window and save the file as First java a Terminal jun08 eecs home stevenc File Edit View Terminal Go Help 3 3 E i l Tee jedit amp
8. ible 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 Example 1 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 orgnl 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 Guided Tour v3 2 Page 9 EECS 1020 2014 15 F
9. nter the command mv First 1020 The first argument represents the files to move and the second argument represents the destination directory Terminal jun08 eecs home stevenc File Edit View Terminal Go Help jun s 275 mkdir 1020 jun 8 276 ls 1020 First class Public Desktop First java Templates Documents Music Videos Downloads Pictures WWW jun08 277 mv First 10208 Commands entered at the terminal typically affect the current directory which appears in the title bar Enter the command cd 1020 to change the current directory your home directory to the 1020 directory Notice the change in the title bar Enter ls to see the contents of this directory The two First files should be there Terminal jun08 eecs home stevenc 1020 File Edit View Terminal Go Help jun08 279 cd 1020 a jun08 280 ls First class First java junos 281 ff Guided Tour v3 2 Page 5 EECS 1020 2014 15 F Rename the First java file to be CheckO1A java In Linux the mv command is used to move files as well as rename them Enter the command mv First java CheckO1A java In this case the first argument represents the current filename and the second argument represents the new filename Terminal jun0 eecs home stevenc 1020 File Edit View Terminal Go Help jun08 279 cd 1020 z jun 8 280 ls First class First java jun08 281 mv First java Check 1A java Now that the file is renamed the old class
10. the bottom of the screen Even if you do not use the virtual desktops make sure that you do not accidentally switch to them as you work Guided Tour v3 2 Page 1 EECS 1020 2014 15 F Mail Forwarding You can have your Department mail automatically forwarded to the email account of your choice e g yorku ca gmail com To do so open a web browser and go to mail cse yorku ca Log in using your EECS username and password From the left pane select Oot ions then Mail From the center pane select Filters Edit your filter rules then Forward Enter your other email address es and click Save To test the forwarding send an email to your CSE address e g username cse yorku ca and check your other email address es Printing Files You have a print quota of 500 pages To display the number of pages remaining in your quota enter the command pgquota using the 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 Y O R K q Department of Computer Science and Engineering Department of Computer Sclence and En
11. usly entered Simple Terminal Commands 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 Guided Tour v3 2 Page 8 EECS 1020 2014 15 F 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 Example 2 1s mail Example 3 1s txt Description Lists the contents of the directory 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 Example 2 this command lists the vis
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