Bug 31395 Child window of Preferences dialog centers between screens
On the Preferences->Java->Code Generation->Names tab, the Edit button opens a dialog that is split between multiple monitors, instead of centering on the main Preference window like the rest of its child windows do.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/CompilerConfigurationBlock.java
private static final String PREF_BUILD_CLEAN_OUTPUT_FOLDER= JavaCore.CORE_JAVA_BUILD_CLEAN_OUTPUT_FOLDER;
	private static final String PREF_PB_INCOMPLETE_BUILDPATH= JavaCore.CORE_INCOMPLETE_CLASSPATH;
	private static final String PREF_PB_CIRCULAR_BUILDPATH= JavaCore.CORE_CIRCULAR_CLASSPATH;
	private static final String PREF_COMPILER_PB_DEPRECATION_IN_DEPRECATED_CODE= JavaCore.COMPILER_PB_DEPRECATION_IN_DEPRECATED_CODE;
	private static final String PREF_PB_DUPLICATE_RESOURCE= JavaCore.CORE_JAVA_BUILD_DUPLICATE_RESOURCE;
	private static final String PREF_PB_INCOMPATIBLE_INTERFACE_METHOD= JavaCore.COMPILER_PB_INCOMPATIBLE_NON_INHERITED_INTERFACE_METHOD;
	private static final String INTR_DEFAULT_COMPLIANCE= "internal.default.compliance"; 
	
	private static final String GENERATE= JavaCore.GENERATE;
	private static final String DO_NOT_GENERATE= JavaCore.DO_NOT_GENERATE;
	
	private static final String PRESERVE= JavaCore.PRESERVE;
	private static final String OPTIMIZE_OUT= JavaCore.OPTIMIZE_OUT;
	
	private static final String VERSION_1_1= JavaCore.VERSION_1_1;
	private static final String VERSION_1_2= JavaCore.VERSION_1_2;
	private static final String VERSION_1_3= JavaCore.VERSION_1_3;
	private static final String VERSION_1_4= JavaCore.VERSION_1_4;
	
	private static final String ERROR= JavaCore.ERROR;
	private static final String WARNING= JavaCore.WARNING;
	private static final String IGNORE= JavaCore.IGNORE;
	private static final String ABORT= JavaCore.ABORT;
	
	private static final String CLEAN= JavaCore.CLEAN;
	private static final String ENABLED= JavaCore.ENABLED;
	private static final String DISABLED= JavaCore.DISABLED;
	
	private static final String PRIORITY_HIGH= JavaCore.COMPILER_TASK_PRIORITY_HIGH;
	private static final String PRIORITY_NORMAL= JavaCore.COMPILER_TASK_PRIORITY_NORMAL;