diff --git a/Data Structures/Matrix/Matrix.java b/Data Structures/Matrix/Matrix.java
index edbdcdbf0794..a26dfe976fdb 100644
--- a/Data Structures/Matrix/Matrix.java
+++ b/Data Structures/Matrix/Matrix.java
@@ -221,4 +221,20 @@ public String toString() {
return str;
}
+
+ /**
+ * Returns transposed matrix of this matrix.
+ *
+ * @return transposed Matrix.
+ */
+ public Matrix transpose() {
+
+ int[][] newData = new int[this.data[0].length][this.data.length];
+
+ for (int i = 0; i < this.getColumns(); ++i)
+ for(int j = 0; j < this.getRows(); ++j)
+ newData[i][j] = this.data[j][i];
+
+ return new Matrix(newData);
+ }
}
diff --git a/Others/PowerOfTwoOrNot.java b/Others/PowerOfTwoOrNot.java
new file mode 100644
index 000000000000..36facfeddb76
--- /dev/null
+++ b/Others/PowerOfTwoOrNot.java
@@ -0,0 +1,33 @@
+import java.util.Scanner;
+
+/**
+*A utility to check if a given number is power of two or not.
+*For example 8,16 etc.
+*/
+public class PowerOfTwoOrNot {
+
+ public static void main (String[] args) {
+
+ Scanner sc = new Scanner(System.in);
+ System.out.println("Enter the number");
+ int num = sc.nextInt();
+ boolean isPowerOfTwo = checkIfPowerOfTwoOrNot(num);
+ if (isPowerOfTwo) {
+ System.out.println("Number is a power of two");
+ } else {
+ System.out.println("Number is not a power of two");
+ }
+ }
+
+
+/**
+* Checks whether given number is power of two or not.
+*
+* @param number
+* @return boolean
+*/
+public static boolean checkIfPowerOfTwoOrNot(int number) {
+ return number != 0 && ((number & (number-1)) == 0);
+ }
+
+}
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