Powers of Two

Author: ardallie

src/easy/PowersOfTwo.java

@@ -0,0 +1,35 @@
+package easy;
+
+/**
+ * Have the function PowersofTwo(num) take the num parameter being passed
+ * which will be an integer and return the string true if it's a power of two.
+ * If it's not return the string false.
+ * For example if the input is 16 then your program should return the string true
+ * but if the input is 22 then the output should be the string false.
+ */
+public class PowersOfTwo {
+
+ /**
+ * Powers of Two function.
+ *
+ * @param num input number
+ * @return the string true if it's a power of two.
+ */
+ private static String powerOfTwo(int num) {
+ int bitwise = num & num - 1;
+ return num != 0 && bitwise == 0 ? "true" : "false";
+ }
+
+ /**
+ * Entry point.
+ *
+ * @param args command line arguments
+ */
+ public static void main(String[] args) {
+ var result1 = powerOfTwo(15);
+ System.out.println(result1);
+ var result2 = powerOfTwo(64);
+ System.out.println(result2);
+ }
+
+}