eclipse-quiz.md

Eclipse

Q1. How can you minimise all views except for the currently selected view in the Eclipse interface?

• Press Control-M (Windows) or Command-M (Mac)
• Double-click the tab you want to maximise
• all of these answers
• Click the Maximise button at the top right of the view

Q2. What happens when you execute the Run -> Skip all Breakpoints command?

• All breakpoints are deleted
• none of these answers
• All breakpoints will not be fired when debugging and will not cause application execution to suspend
• All breakpoints and bookmarks are disabled

Q3. What is not a key part of Eclipse projects and technologies?

• Plug-in Development Environment (PDE)
• Eclipse Project
• Java Development Toold (JDT)
• Eclipse .NET

Q4. Which is a valid way to create a code snippet?

• Right-click the selected code and select Add to Snippets
• Drag the code into the snippets view
• Click Source -> Snippets -> Create Snippet
• With the code selected, click the + button in the Snippets view

Q5. In this image, what does the circled button do?

• It expands the comparison between the two files to include whitespace.
• It allows you to delete the line of code to which it is connected.
• It allows changes from one version of a file to be applied to another version of the file.
• It allows you to merge both lines of code together.

Q6. When inserting a snippet containing variables into a source file, how are values for the variable defined?

• Eclipse fills them in with a drop-down menu of available optons.
• They are automatically highlighted in code.
• They are populated using environment variables.
• You populate them through a pop-up windows.

Q7. How can you create a new Git branch in Eclipse?

• all of these answers
• Right-click your project in the Package Explorer and select Team -> Switch To -> New Branch
• Click File -> New -> Git -> Branch
• Click Source -> Team -> Switch To -> New Branch

Q8. Why might you use the Open Type button?

• to open a file by its name
• to search the workbench for a class to open in an editor
• to find a string in a text file
• to find all places where a certain type is instantiated

Q9. In the JUnit view, what is the value in the parentheses after a previously run unit test?

• the number of errors found in the test
• the time it took the test to run
• the name of the package containing the test class
• the test class name

Q10. In this image, what does the circled icon in the Problems view do?

• It sends the currently selected problem to another view.
• It indents the currently selected problem.
• It opens the Filter menu so you can customise what problems are displayed.
• It jumps to the currently selected problem in the Editor.

Q11. What can you not do in the Expressions view?

• track the value of a variable throughout the lifetime of the app.
• change the name of a variable while debugging.
• change the value of a final variable while debugging.
• track values of variables when they are out of scope.

Q12. Your code is highlighted in red when running code coverage. Why is this?

• The code is the cause of a compiler warning.
• The method is unused or causes runtime errors.
• The code is within an if statement that is always evaluated as true at runtime.
• No code calls the method.

Q13. When selecting the Synchronise Workspace option for a project, what perspective is opened?

• Git
• Java
• Team Synchronising
• Remote Synchronise

Q14. Which is not a way to check the value of a variable while debugging?

• Hover ove the variable in the Editor.
• Check the Debug view.
• Check the Variables view.
• Watch the variable in the Expressions view.

Q15. How can you configure Eclipse to open a webpage in a browser outside of Eclipse using the Windows (Eclipse) -> Preferences -> General -> Web Browser dialog page?

• Select Use external web browser.
• Select Add a new browser and select the desired browser in the External web browsers menu.
• Select Use external web browser, click the New or Search button, add your browser, and then select it in the External web browsers menu.
• Use the Search button to search for an installed web browser.

Q16. What view, within the Team component, displays the commits related to a particular project or file?

• Git Staging
• History
• Synchronize
• Git Repositories

Q17. What is included in your wqorkspace folder?

• a hidden .metadata folder
• a hidden .metadata folder and projects imported into the workspace only
• only projects imported into the workspace
• a hidden .metadata folder and projects created in the workspace

Q18. What can you not do in the Variables view?

• monitor variables that are outside the scope of the current stack frame
• set a breakpoint to track a particular instance
• inspect the values of an object's fields
• edit the value of a variable while the debugger is running your app

Q19. What is not a method stub that Eclipse will create for you in the New JUnit Test Case window?

• tearDown()
• setUpClass()
• tearDownAfterClass()
• setUp()

Q20. What does the Problems view show?

• all of the answers
• warnings and errors
• code that does not match your formatting settings
• threads containing errors

Q21. When switching workspaces, what is preserved?

• all preferences
• none of these answers
• the current perspective
• preferences for a language (e.g., Java)

Q22. How can you set files to save automatically when launching an application?

• Click Window (Eclipse) -> Preferences -> Run/Debug -> Launching, and then select Save required dirty editors before launching.
• Click Window (Eclipse) -> Preferences -> Java -> Editor -> Save Actions
• Click File -> Save All.
• Change the project's run configuration.

Q23. Which is not a valid way to create a test class?

• In the Package Explorer, right-click a class and select New > JUnit Test Case.
• none of these answers
• Create a JUnit Test Case class through the File menu.
• Create the class manually while in any perspective.

Q24. What happens when you double-click a Revision Time in the History view?

• Nothing happens.
• The select file is opened in the Editor in its state at the time of the revision.
• The revision opens in a Split Editor window alongside the current local revision of the file.
• A pop-up window showing details about the revision appears.

Q25. What is the benefit of using perspectives?

• to switch between preferences within a single workspace
• to easily switch between different layouts of views in the Workbenchfor specific tasks
• to manage the fact that some views work only in certain perspectives
• to debug multiple applications at the same time

Reference

Q26. When viewing an XML file in Eclipse, how can you view the file in a visual hierarchy (as opposed to code alone)?

• You cannot do this in Eclipse.
• Select the Editor tab for the XML file and then click the Design tab at the bottom of the editor window.
• Double-click the open tab in the Editor.
• In the Package Explorer, right-click the file and select Open With > Desgign Editor.

Q27. How can you view all the commits for a single file?

• Open the commit in the Git Staging view.
• Open the commit in the Git Reflog view.
• Double-click a commit in the History view.
• Right-click the file in the Package Explorer and select Team > Show in History.

Q28. In the image below, what does the circled button do?

• It links the Editor and Navigator, causing the Editor to switch to the file selected in the Package Explorer and vice versa.
• It expands Libraries when you are in the Java perspective.
• It minimizes the left view
• It collapses open folders in the Package Explorer view.

Q29. Why might you create multiple debug configurations for the same project?

• all of these answers
• to debug using a different JRE
• to customize environment variables
• to customize arguments

Q30. You are searching for code using the Search dialog, and no results appear. What is a likely cause?

• all of these answers
• The scope of the search is too narrow.
• The type of search is not appropriate for the language of the code.
• There is a typo in the search parameters.

Q31. If you check out a branch in Eclipse and still see the old code, what is one possible problem?

• Your project is not using source control.
• Your internet connection is down.
• Your Git passwordis incorrect.
• You need to refresh your project.

Q32. What is required to create a Git commit?

• all of these answers
• a local repository
• staged changes
• a commit message

Q33. What can you do in the Eclipse Split Editor?

• view the Design and Source tabs of one XML file at the same time
• drag code from one Editor pane into another
• split the editor either horizontally or vertically
• all of these answers

Q34. Why might you run the Project > Clean command?

• to remedy an issue where the source code seemsaccurate, but Git is indicating a merge conflict
• to remedy syntax errors within the source code, causing the project not to build
• to discard any existing build state before building the project, which can remedy issues where the source code seems accurate yet fails to build
• to recompile only the source code files that have changed since the last build, which can shorten the build time for long-running builds

Q35. How can you terminate debugging in the Debug view?

• Right-click an item in the stack trace and select Terminate/Disconnect All.
• all of these answers
• Right-click your application and select Terminate.
• Right-click a thread and select Terminate and Remove.

Q36. How do you connect to and debug a remote Java application/server?

• Click Run > Debug As > Remote Application.
• You cannot do this in Eclipse.
• Create and run a configuration under Run > Debug Configurations > Remote Java Application.
• Click Run > External Tools.

Q37. What is the purpose of adding TODO in a comment?

• It reminds you that you have work to do.
• Comments starting with TODO are listed in the Tasks view.
• It creates automated email reminders of remaining tasks.
• Comments starting with TODO are stored in the Task List view.

Q38. When an assert fails where can you view the expected value as compared with the actual value?

• in the Failure Trace section of the JUnit view
• in the Debug view
• in the console
• in the Outline view

Q39. You want to use Bugzilla for managing tasks. What is a prerequisite?

• Select Bugzilla on the list of repositories in the New Task window.
• Add Bugzilla as a task repository.
• Install the Bugzilla plug-in.
• Create a new local task in the Task List.

Q40. Which of these is/are listed when searching via the Quick Access search bar?

• files in the current workspace
• all of these answers
• XML attribute values
• Java members

Q41. After opening a code file, you notice some of the syntax coloring is missing. What is the most likely problem?

• The code has an error.
• The code is in a language that is too new for Eclipse to support.
• The code has the wrong file delimiters.
• The perspective you are using is out of date.

Q42. When enabled for a specific section, what do the preferences in Java > Editor > Folding control?

• They cause the section of the class to be collapsed when opened in a new editor.
• They cause those members to be placed automatically in a superclass, if present.
• They cause class members to be automatically ordered in accordance with the preferences.
• They cause the source code to autoformat as it is written.

Q43. How can you specify arguments to be passed to an application or virtual machine when it is launched?

• Click Run > Junit Configurations > Arguments.
• Click Run > Run Configurations > Arguments.
• Right-click the project and select Arguments.
• Click Run > Debug Configurations > Arguments.

Q44. In this image, what does the circled button do?

• It toggles collapsing and expanding all methods in a file.
• It toggles block selection mode in the editor.
• It toggles showing whitespace in the code.
• It toggles word wrap in the file.