How to get Workspace location in Eclipse RCP Plug-in ?

Try following :

//get object which represents the workspace
IWorkspace workspace = ResourcesPlugin.getWorkspace();

//get location of workspace (java.io.File)
File workspaceDirectory = workspace.getRoot().getLocation().toFile()

Add Following Package to dependency in Manifiest.MF

org.eclipse.core.resources

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Eclipse RCP Step by Step

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