New Option in the preferences where one can change if one parameter

should be displayed when using the code minings

org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/codemining/CalleeJavaMethodParameterVisitor.java

@@ -165,11 +165,15 @@ private boolean skipParameterNameCodeMining(String[] parameterNames, List<?> arg
 	}
 
 	private boolean skipParameterNamesCodeMinings(IMethod method) {
-		return method.getNumberOfParameters() <= 1;
+		boolean showNamesOfSingleArguments= PreferenceConstants.getPreferenceStore().getBoolean(PreferenceConstants.EDITOR_JAVA_CODEMINING_SHOW_PARAMETER_NAME_SINGLE_ARG);
+		return !showNamesOfSingleArguments && method.getNumberOfParameters() == 1
+				|| method.getNumberOfParameters() == 0;
 	}
 
 	private boolean skipParameterNamesCodeMinings(IMethodBinding methodBinding) {
-		return methodBinding.getParameterNames().length <= 1;
+		boolean showNamesOfSingleArguments= PreferenceConstants.getPreferenceStore().getBoolean(PreferenceConstants.EDITOR_JAVA_CODEMINING_SHOW_PARAMETER_NAME_SINGLE_ARG);
+		return !showNamesOfSingleArguments && methodBinding.getParameterNames().length == 1
+				|| methodBinding.getParameterNames().length == 0;
 	}
 
 	private boolean skipParameterNamesCodeMinings(IMethod method, String[] parameterNames) {

org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/JavaEditorCodeMiningConfigurationBlock.java

@@ -81,6 +81,9 @@ public class JavaEditorCodeMiningConfigurationBlock extends OptionsConfiguration
 	private static final Key PREF_DEFAULT_FILTER_FOR_PARAMETER_NAMES= getJDTUIKey(
 			PreferenceConstants.EDITOR_JAVA_CODEMINING_DEFAULT_FILTER_FOR_PARAMETER_NAMES);
 
+	private static final Key PREF_SHOW_ONE_PARAMETER= getJDTUIKey(
+			PreferenceConstants.EDITOR_JAVA_CODEMINING_SHOW_PARAMETER_NAME_SINGLE_ARG);
+
 	private static final String SETTINGS_SECTION_NAME= "JavaEditorCodeMiningConfigurationBlock"; //$NON-NLS-1$
 
 	private static final String[] TRUE_FALSE= new String[] { "true", "false" }; //$NON-NLS-1$ //$NON-NLS-2$
@@ -101,7 +104,7 @@ public JavaEditorCodeMiningConfigurationBlock(IStatusChangeListener context,
 	public static Key[] getAllKeys() {
 		return new Key[] { PREF_CODEMINING_ENABLED, PREF_SHOW_CODEMINING_AT_LEAST_ONE, PREF_SHOW_REFERENCES, PREF_SHOW_REFERENCES_ON_TYPES, PREF_SHOW_REFERENCES_ON_FIELDS,
 				PREF_SHOW_REFERENCES_ON_METHODS,
-				PREF_SHOW_IMPLEMENTATIONS, PREF_SHOW_PARAMETER_NAMES, PREF_IGNORE_INEXACT_MATCHES, PREF_FILTER_IMPLIED_PARAMETER_NAMES, PREF_DEFAULT_FILTER_FOR_PARAMETER_NAMES };
+				PREF_SHOW_IMPLEMENTATIONS, PREF_SHOW_PARAMETER_NAMES, PREF_IGNORE_INEXACT_MATCHES, PREF_FILTER_IMPLIED_PARAMETER_NAMES, PREF_DEFAULT_FILTER_FOR_PARAMETER_NAMES, PREF_SHOW_ONE_PARAMETER };
 	}
 
 	@Override
@@ -227,6 +230,9 @@ private void createGeneralSection(int nColumns, Composite parent) {
 				PreferencesMessages.JavaEditorCodeMiningConfigurationBlock_defaultFilterForParameterNames_label,
 				PREF_DEFAULT_FILTER_FOR_PARAMETER_NAMES, TRUE_FALSE, extraIndent, section);
 
+		fFilteredPrefTree.addCheckBox(inner,
+				PreferencesMessages.JavaEditorCodeMiningShowOneParameter_label,
+				PREF_SHOW_ONE_PARAMETER, TRUE_FALSE, extraIndent, section);
 	}
 
 	private void updateEnableStates() {
@@ -244,8 +250,11 @@ private void updateEnableStates() {
 			// Show implementations checkboxes
 			getCheckBox(PREF_SHOW_IMPLEMENTATIONS).getSelection();
 			boolean showParameterNames= getCheckBox(PREF_SHOW_PARAMETER_NAMES).getSelection();
+
 			getCheckBox(PREF_FILTER_IMPLIED_PARAMETER_NAMES).setEnabled(showParameterNames);
 			getCheckBox(PREF_DEFAULT_FILTER_FOR_PARAMETER_NAMES).setEnabled(showParameterNames);
+			getCheckBox(PREF_SHOW_ONE_PARAMETER).setEnabled(showParameterNames);
+
 		} else {
 			atLeastOneCheckBox.setEnabled(false);
 			ignoreInexactReferenceMatches.setEnabled(false);

org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/PreferencesMessages.java

@@ -913,6 +913,7 @@ private PreferencesMessages() {
 	public static String JavaEditorCodeMiningConfigurationBlock_showParameterNames_label;
 	public static String JavaEditorCodeMiningConfigurationBlock_filterImpliedParameterNames_label;
 	public static String JavaEditorCodeMiningConfigurationBlock_defaultFilterForParameterNames_label;
+	public static String JavaEditorCodeMiningShowOneParameter_label;
 
 	public static String JavaLaunchingConfigurationBlock_application_name_fully_qualified_label;
 	public static String JavaLaunchingConfigurationBlock_applet_name_fully_qualified_label;

org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/PreferencesMessages.properties

@@ -1038,6 +1038,7 @@ JavaEditorCodeMiningConfigurationBlock_showImplementations_label=Show &implement
 JavaEditorCodeMiningConfigurationBlock_showParameterNames_label=Show method &parameter names
 JavaEditorCodeMiningConfigurationBlock_defaultFilterForParameterNames_label=&Default filter for some specified methods and method parameter names (e.g. compare())
 JavaEditorCodeMiningConfigurationBlock_filterImpliedParameterNames_label=Filter parameter &names that are implied by parameter
+JavaEditorCodeMiningShowOneParameter_label=Show code minnigs when method has one parameter
 
 #Launching preferences
 JavaLaunchingConfigurationBlock_application_name_fully_qualified_label=Use fully qualified name for new Java Application

org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/PreferenceConstants.java

@@ -3939,6 +3939,17 @@ private PreferenceConstants() {
 	 */
 	public static final String EDITOR_JAVA_CODEMINING_DEFAULT_FILTER_FOR_PARAMETER_NAMES = "java.codemining.defalt.filter.for.parameterNames"; //$NON-NLS-1$
 
+	/**
+	 * A named preference that stores the value if a method with one parameter should be shown with code minings or if the code minings are
+	 * only shown for 2+ parameters
+	 * <p>
+	 * Value is of type <code>Boolean</code>.
+	 * </p>
+	 *
+	 * @since 3.34
+	 */
+	public static final String EDITOR_JAVA_CODEMINING_SHOW_PARAMETER_NAME_SINGLE_ARG = "java.codemining.show.one.parameter"; //$NON-NLS-1$
+
 	/**
 	 * A named preference that stores the value for "Filter matching parameter names" when showing parameter names
 	 * in codemining.  This will filter out parameter names when the passed parameter name implies the parameter name.
@@ -4374,6 +4385,7 @@ public static void initializeDefaultValues(IPreferenceStore store) {
 		store.setDefault(EDITOR_JAVA_CODEMINING_SHOW_PARAMETER_NAMES, false);
 		store.setDefault(EDITOR_JAVA_CODEMINING_FILTER_IMPLIED_PARAMETER_NAMES, true);
 		store.setDefault(EDITOR_JAVA_CODEMINING_DEFAULT_FILTER_FOR_PARAMETER_NAMES, true);
+		store.setDefault(EDITOR_JAVA_CODEMINING_SHOW_PARAMETER_NAME_SINGLE_ARG, true);
 
 		// Javadoc hover & view
 		JavaElementLinks.initDefaultPreferences(store);