Duck Number Program in Java1 min read

In this tutorial, we will learn about the Duck number with examples and write a java program for duck number. Before that, you may go through the following topics in java.

What is a Duck Number?

A number is said to be a duck number if it is a positive integer number with zeroes in it. The digit zero (0) must not be present at the beginning of the number but can be present anywhere except the initial digit.

Example of duck number:

  • 3210 is a duck number.
  • 0183 is not a duck number because there is a zero present at the beginning of the number.
  • 00132 is also not a dick number.

Now you have understand the Duck number, let us do a program to check duck number in java.

Java program to check whether a number is duck number or not


You can create a separate Boolean function that will return true or false like the flag that is working in this program. Hope this article was helpful on Duck Number Program in Java


Java Program to check Krishnamurthy Number

In this tutorial, we will learn about Krishnamurthy numbers and write a Krishnamurthy Number program in Java. We will write two programs for Krishnamurthy number …
Read More

Java Program for ISBN Number

In this tutorial, we will learn about the ISBN (International Standard Book Number) and write a program to check for the ISBN Number in Java …
Read More

C++ Memory Management

Memory management refers to the process of managing the computer memory while assigning the space to the program’s variable to improve the overall performance. Requirement …
Read More

C++ Pointer to Pointer

As we know by now that a pointer stores the address of the pointed variable. But it is not the only use, pointer also stores …
Read More

C++ Passing Pointers to Functions

A function is a user-defined block of codes that executes some specific task assigned to it invoked by its name. If there is an argument …
Read More

C++ Null Pointer

We use a null pointer when we do not have the exact address to assign to a pointer. It is considered a good practice and …
Read More