How to count and print the number of times each character occurs in the given string in JAVA?

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Design an algorithm to accept a string from the user. Count and print the number of times each character occurs in the given string. Example –
input string = "malayalam"
Output must be –
m – 2
a – 4
l – 2
y - 1

posted May 8, 2017 by Tanay Hanuman Toor

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Sample Input

Gaurav is  a Good Boy
Sita is a Good Girl
Tommy is  a Good Dog
Ram is a Good person

Sample Output

D:\>Java FileWordCount inputFile.txt outputFile.txt
    Boy : 1
    Dog : 1
    Gaurav : 1
    Girl : 1
    Good : 4
    Ram : 1
    Sita : 1
    Tommy : 1
    a : 4
    is : 4
    person : 1

+3 votes

Write a function that counts the number of times a given int occurs in a Linked List?

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Given 2 strings, a and b, return a string of the form short+long+short in JAVA.. If "hi" and "hello", then "hihellohi"?

Given 2 strings, a and b, return a string of the form shorterString+longerString+shorterString, with the shorter string on the outside and the longer string on the inside. The strings will not be the same length, but they may be empty (length 0). If input is "hi" and "hello", then output will be "hihellohi".

+3 votes

Write a function to print the sum of the even and odd digit with given condition?

Rohit's teacher has asked him to write a function that takes as input parameters the first parameter will be an integer number representing. The number whose digitSum needs to be found the second parameter will be a char representing the
option which would either be 'e' or 'o' representing 'even' or 'odd' respectively.

Function signature public int digitSum(int n, char ch);

digitSum(9625, 'o')
Example 1: if given number is 9625 and the option is 'o' we must add only the odd digit i.e. 9+5=14
digitSum(2134, 'e')
Example 2: if given number is 2134 and the option  is 'e' we must add only the odd digit i.e. 2+4=6

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How to count and print the number of times each character occurs in the given string in JAVA?

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Function signature public int digitSum(int n, char ch);