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Frequency of each digit of a number in Java

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Frequency of each digit of a Number Question :   Write a program to count and display the frequency of each digit of a number. For Example  :-   Input                                                            : 19224 Output                                                      :   Frequency of 1 is : 1                                                                        Frequency of 2 is : 2          ...
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Tri-Automorphic Number in JAVA

Tri-Automorphic Number Tri-Automorphic Number : A number is called Tri-Automorphic number if the last digits of 3 times the square of the number is equal to the number itself. Or A number ‘n’ is called Tri-Automorphic if ‘3n 2 ’ ends in ‘n’. Example :- Input      : 5 Sqaure    : 3 X (5 X 5) = 75 Output    : It is a Tri-Automorphic Number Input      : 667 Sqaure    : 3 X 667 X 667 = 1334667 Output    : It is a Tri-Automorphic Number   Input      : 12 Square    : 3 X 12 X 12 = 432 Output    : It is not a Tri-Automorphic Number Algorithm and Program given below :-
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Norm of a Number in Java

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Norm of a Number in Java Question :   Write a program to calculate Norm of a Number. Norm of a number is square root of sum of squares of all digits of the number. Example :- Input : 68             6 X 6 + 8 X 8 = 100 ;  Square root of 100 = 10 Output : Norm of 68 is 10. Logic  :- First input number. Copy the input number in another variable extract each digit of the number Store the sum of squares of the digit of the number in a variable say 's' Print the square root of the result. (i.e. square root of 's' ) Compile and run the program Note  : To understand the program clearly watch this video :  https://youtu.be/tXDl56akraE
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