Bug 5811 [preferences] Pref to set editor background color
It would be very useful to add a preference to change the background color of the Java editor, since all of the other elements are editable.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/JavaEditorPreferencePage.java
store.setDefault(CompilationUnitEditor.MATCHING_BRACKETS, true);
		color= display.getSystemColor(SWT.COLOR_GRAY);
		PreferenceConverter.setDefault(store, CompilationUnitEditor.MATCHING_BRACKETS_COLOR,  color.getRGB());
		
		WorkbenchChainedTextFontFieldEditor.startPropagate(store, JFaceResources.TEXT_FONT);
		color= display.getSystemColor(SWT.COLOR_LIST_FOREGROUND);
		PreferenceConverter.setDefault(store,  AbstractTextEditor.PREFERENCE_COLOR_FOREGROUND, color.getRGB());
		
		color= display.getSystemColor(SWT.COLOR_LIST_BACKGROUND);
		PreferenceConverter.setDefault(store,  AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND, color.getRGB());		
		
		store.setDefault(JavaSourceViewerConfiguration.PREFERENCE_TAB_WIDTH, 4);
		
		PreferenceConverter.setDefault(store, IJavaColorConstants.JAVA_MULTI_LINE_COMMENT, new RGB(63, 127, 95));
		store.setDefault(IJavaColorConstants.JAVA_MULTI_LINE_COMMENT + "_bold", false);
		
		PreferenceConverter.setDefault(store, IJavaColorConstants.JAVA_SINGLE_LINE_COMMENT, new RGB(63, 127, 95));
		store.setDefault(IJavaColorConstants.JAVA_SINGLE_LINE_COMMENT + "_bold", false);
		
		PreferenceConverter.setDefault(store, IJavaColorConstants.JAVA_KEYWORD, new RGB(127, 0, 85));
		store.setDefault(IJavaColorConstants.JAVA_KEYWORD + "_bold", true);
				
		PreferenceConverter.setDefault(store, IJavaColorConstants.JAVA_STRING, new RGB(42, 0, 255));
		store.setDefault(IJavaColorConstants.JAVA_STRING + "_bold", false);
		
		PreferenceConverter.setDefault(store, IJavaColorConstants.JAVA_DEFAULT, new RGB(0, 0, 0));
		store.setDefault(IJavaColorConstants.JAVA_DEFAULT + "_bold", false);
		
		PreferenceConverter.setDefault(store, IJavaColorConstants.JAVADOC_KEYWORD, new RGB(127, 159, 191));