Once we're done discussing various implementations, we'll use benchmarks to get an idea of which methods are optimal. Know about fascinating number, What is it ..... How to make a program of fascinating number in java and what fascinating number really is ???? If resulting sum is equal to 1 then, given number is a happy number. Fascinating Number in Java What is a Fascinating Number? Write a Program in Java to input a number and check whether it is a Fascinating Number or not. It could be observed that ‘192384576’ consists of all digits from 1 to 9 exactly once. | ISC Computer Science | ICSE Cmputer Application May 2020 Fascinating Numbers : Some numbers of 3 digits or more exhibit a very interesting property. A fascinating number is one which when multiplied by 2 and 3, and then, after the results are concatenated with the original number, the new number contains all the digits from 1 … 3. Examples : ... Java program to check palindrome (using library methods) 05, May 17. 25, May 14. To concatenate, we first need to count the number of digits in the multiple of 2, then we multiply the original number with that much number of 10s and then we add the multiple of 2 to it. Java Numbers: Exercise-26 with Solution. For example, consider the number 192. Example: Binary equivalent of 9 is 1001, which contains even number of 1’s. Fascinating Numbers: Some numbers of 3 digits or more exhibit a very interesting property. Fascinating Numbers : Some numbers of 3 digits or more exhibit a very interesting property. Fascinating Number | Write a program in Java to check whether the given number is fascinating number or not. There could be any number of zeros and are ignored. If you have any doubts or suggestion then comment below. Thus, 192 is a fascinating number. Ask Question Asked 7 years, 2 months ago. Enter an integer number::219219 is a Fascinating number. Vampire number You are encouraged to solve this task according to the task description, using any language you may know. Write a Program in Java to check whether a number is a Keith Number or not. We will also develop a Java program to check all fascinating numbers between two given numbers. 4.1 Declaration. The property is such that, when the number is multiplied by 2 and 3, and both these products are concatenated with the original number, all digits … We also have a boolean value numeric which stores if the final result is numeric or not. Let us know in the comments. //Write a prigram to accept a number and check it is a fascinating number or not. example 192 //192 x 1=192 ; 192 x 2=384 ; 192 x 3=576; now concatenating the result =192384576. The Output for the different test-cases are:-. Example:-Number = 192Multiplying by 2 => 192 * 2 = 384Multiplying by 3 => 192 * 3 = 576Concatenation => “192” + “384” + “576” = 192384576, which contains all the digits from 1 to 9 exactly once. Fascinating Number :- The number of 3 digit or more, when we multiplied that number by 2 and 3, and product of both is concatenated with the original number, after concatenated the number contain all the digits from 1 to 9 exactly once, regardless of the number of zeros. //Looping through the digits of newNumber, //If any digit appears more than once in the concatenated number then it is not a Fascinating number, //Check if any digit (1-9) is absent in the concatenated number, //Function to return count of digits in a Number, Java Program to Count Frequency of a Substring in a String, Java Program to Print all Permutations of a String, Java Program to Check If two Strings are Anagram of each other, Java Program to Check If a String is Pangram, Java Program for Pronic (or Rectangular) Number, Java Program for Tower of Hanoi (Recursion), Java Program to Convert Binary to Decimal, Java Program to Capitalize First letter of Each Word in String. A fascinating number is one which when multiplied by 2 and 3, and then, after the results are concatenated with the original number, the new number contains all the digits from 1 to 9 exactly once. Programming Code: In this tutorial, we’ll explore multiple ways to detect if the given String is numeric, first using plain Java, then regular expressions and finally by using external libraries. Some examples of fascinating Numbers are : 192, 219, 273, 327, 1902, 1920, 2019 etc. Sign in. Example 2: Input: N = 853 Output: Not Fascinating Explanation: It's not a fascinating number. 5) Now, check the missing digit, ignore element=0. 192 * 2 = 384 192 * 3 = 576 Concatenating both the results with the original number, we get: “192” + “384” + “576” = 192384576. Program to check Strong Number. class IX (ICSE) Sample papers; Solved programs; Practice papers; Practice papers 05, May 17. A fascinating number is one which when multiplied by 2 and 3, and then, after the results are concatenated with the original number, the new number contains all the digits from 1 to 9 exactly once. To check if the string contains numbers only, in the try block, we use Double's parseDouble() method to convert the string to a Double. Sum of the digits = 1 + 1 + 2 + 4 . // A fascinating number is one which when multiplied by 2 and 3, and then after the results //are concatenated with the original number, the new number contains all the digits from 1 to 9 //exactly once. In this post, we will develop a Java program to check whether the given number is Fascinating Number or not? When a 3 digit number is concatenated with the number multiplied by 2 and the number multiplied by 3, sometimes we get a number which contains all the digits from 1 … Convert this character into digit (Not in ASCII value) and. Buzz number in java | A number is called a buzz number if it is divisible by 7 or it ends with 7.For example- 7, 17, 27, 37, 47 are buzz numbers because they end with 7. Enter a number : 853 853 is not a … Example: 192. Answer:ascinating Number in Java. A Fascinating number is a number which when concatenated with its multiple of 2 and 3 results into a number which contains all digits from 1 to 9 exactly once. Save my name, email, and website in this browser for the next time I comment. To concatenate, we first need to count the number of digits in the multiple of 2, then we multiply the original number with that much number of 10s and then we add the multiple of 2 to it. C Program to Check if a Given String is Palindrome . Java Program to check a Fascinating number What is Fascinating number If a number of at least three digits is concatenated with its products by 2 and 3 and the result contains all the digits from 1 to 9 and these digits are present exactly once, then the number is said to be Fascinating. When a 3 digit number is concatenated with the number multiplied by 2 and the number multiplied by 3, sometimes we get a number which contains all the digits from 1 to 9 exactly once. Oftentimes while operating upon Strings, we need to figure out whether a Stringis a valid number or not. Enter an integer number::12341234 is not a Fascinating number. java program for spy number khurshidmdanwar 21:00:00 ICSE Pogram. In the above program, we have a String named string that contains the string to be checked. *; Your Task: You don't need to read input or print anything. 1) Take a number2) Declare a string and initialize it with the concatenation of number, number*2, and number*3. 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