1 files changed, 5 insertions, 5 deletions

diff --git a/googletest/samples/prime_tables.h b/googletest/samples/prime_tables.h
index 523c50b..119545a 100644
--- a/googletest/samples/prime_tables.h
+++ b/googletest/samples/prime_tables.h
@@ -54,7 +54,7 @@ class PrimeTable {
 // Implementation #1 calculates the primes on-the-fly.
 class OnTheFlyPrimeTable : public PrimeTable {
  public:
-  virtual bool IsPrime(int n) const {
+  bool IsPrime(int n) const override {
     if (n <= 1) return false;
 
     for (int i = 2; i*i <= n; i++) {
@@ -65,7 +65,7 @@ class OnTheFlyPrimeTable : public PrimeTable {
     return true;
   }
 
-  virtual int GetNextPrime(int p) const {
+  int GetNextPrime(int p) const override {
     for (int n = p + 1; n > 0; n++) {
       if (IsPrime(n)) return n;
     }
@@ -83,13 +83,13 @@ class PreCalculatedPrimeTable : public PrimeTable {
       : is_prime_size_(max + 1), is_prime_(new bool[max + 1]) {
     CalculatePrimesUpTo(max);
   }
-  virtual ~PreCalculatedPrimeTable() { delete[] is_prime_; }
+  ~PreCalculatedPrimeTable() override { delete[] is_prime_; }
 
-  virtual bool IsPrime(int n) const {
+  bool IsPrime(int n) const override {
     return 0 <= n && n < is_prime_size_ && is_prime_[n];
   }
 
-  virtual int GetNextPrime(int p) const {
+  int GetNextPrime(int p) const override {
     for (int n = p + 1; n < is_prime_size_; n++) {
       if (is_prime_[n]) return n;
     }