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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

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

  • You cannotdothisin 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 viewall 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 > Showin History.

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

image Q28

  • 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. Whatis 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.