5 files changed, 8 insertions, 8 deletions
diff --git a/examples/multimedia/spectrum/app/levelmeter.h b/examples/multimedia/spectrum/app/levelmeter.h
index f44da308f..075e9af96 100644
--- a/examples/multimedia/spectrum/app/levelmeter.h
+++ b/examples/multimedia/spectrum/app/levelmeter.h
@@ -57,7 +57,7 @@ public:
     explicit LevelMeter(QWidget *parent = 0);
     ~LevelMeter();
 
-    void paintEvent(QPaintEvent *event);
+    void paintEvent(QPaintEvent *event) override;
 
 public slots:
     void reset();
diff --git a/examples/multimedia/spectrum/app/mainwidget.h b/examples/multimedia/spectrum/app/mainwidget.h
index 449a021c4..c8bbce022 100644
--- a/examples/multimedia/spectrum/app/mainwidget.h
+++ b/examples/multimedia/spectrum/app/mainwidget.h
@@ -75,7 +75,7 @@ public:
     ~MainWidget();
 
     // QObject
-    void timerEvent(QTimerEvent *event);
+    void timerEvent(QTimerEvent *event) override;
 
 public slots:
     void stateChanged(QAudio::Mode mode, QAudio::State state);
diff --git a/examples/multimedia/spectrum/app/progressbar.h b/examples/multimedia/spectrum/app/progressbar.h
index 6b8032541..f6fed3f66 100644
--- a/examples/multimedia/spectrum/app/progressbar.h
+++ b/examples/multimedia/spectrum/app/progressbar.h
@@ -56,7 +56,7 @@ public:
     ~ProgressBar();
 
     void reset();
-    void paintEvent(QPaintEvent *event);
+    void paintEvent(QPaintEvent *event) override;
 
 public slots:
     void bufferLengthChanged(qint64 length);
diff --git a/examples/multimedia/spectrum/app/spectrograph.h b/examples/multimedia/spectrum/app/spectrograph.h
index c75e31416..64182feec 100644
--- a/examples/multimedia/spectrum/app/spectrograph.h
+++ b/examples/multimedia/spectrum/app/spectrograph.h
@@ -60,11 +60,11 @@ public:
     void setParams(int numBars, qreal lowFreq, qreal highFreq);
 
     // QObject
-    void timerEvent(QTimerEvent *event);
+    void timerEvent(QTimerEvent *event) override;
 
     // QWidget
-    void paintEvent(QPaintEvent *event);
-    void mousePressEvent(QMouseEvent *event);
+    void paintEvent(QPaintEvent *event) override;
+    void mousePressEvent(QMouseEvent *event) override;
 
 signals:
     void infoMessage(const QString &message, int intervalMs);
diff --git a/examples/multimedia/spectrum/app/waveform.h b/examples/multimedia/spectrum/app/waveform.h
index b49416b20..213461e92 100644
--- a/examples/multimedia/spectrum/app/waveform.h
+++ b/examples/multimedia/spectrum/app/waveform.h
@@ -64,8 +64,8 @@ public:
     ~Waveform();
 
     // QWidget
-    void paintEvent(QPaintEvent *event);
-    void resizeEvent(QResizeEvent *event);
+    void paintEvent(QPaintEvent *event) override;
+    void resizeEvent(QResizeEvent *event) override;
 
     void initialize(const QAudioFormat &format, qint64 audioBufferSize, qint64 windowDurationUs);
     void reset();