Merge pull request #1 from berkerol/berkerol-patch-1

Add PerfectSquare.java
ambujraj · Oct 27, 2018 · cec4132 · cec4132
2 parents b97f556 + 5ddae07
commit cec4132
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/PerfectSquare.java b/PerfectSquare.java
@@ -0,0 +1,7 @@
+public class PerfectSquare {
+
+  public boolean isPerfectSquare(long n) {
+    long l = (long) Math.sqrt(n);
+    return l * l == n;
+  }
+}