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  1. import java.util.*;
  2.  
  3.   class FindFrequencyExample2 {
  4.  
  5. 	public static void main(String args[]) {
  6. 		// given string
  7. 		String str = "ScAaler by interviewbit";
  8. 		// counter array to store the frequency of each character.
  9. 		int freq[] = new int[str.length()];
  10.  
  11. 		// convert the string into character array
  12. 		// store it in ch[]
  13. 		char ch[] = str.toCharArray();
  14.  
  15. 		// traverse through each character in the ch[] array
  16. 		for(int i=0;i<ch.length-1;i++){
  17. 			// set freq[i] as 1 
  18. 			// for the first time visiting each new character
  19. 			freq[i]=1;
  20. 			// iterate through the rest of the characters
  21. 			// ScAaler by interviewbit";
  22. 			for(int j=i+1;j<ch.length;j++)
  23. 			{
  24. 				// if more ch[i] characters are present
  25. 				if(ch[i]==ch[j])
  26. 				{
  27. 					// increase the count by 1
  28. 					freq[i]++;
  29. 					// set ch[j] to 0 to avoid counting visited characters
  30. 					ch[j]='0';
  31. 				}
  32.  
  33. 			}
  34. 		}
  35.  
  36. 		// traverse through the freq array
  37. 		for (int i = 0; i < freq.length; i++)
  38.                {
  39. 			// if characters in ch[] array is not '0' and ' '
  40. 			if(ch[i]!='0' && ch[i]!=' ')
  41. 			{
  42. 				// print the character along with its frequency
  43. 				System.out.println(ch[i]+" - "+freq[i]);
  44. 			}				
  45.                }
  46.  
  47. 	}
  48. }
  49.  
Success #stdin #stdout 0.18s 57556KB
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stdin
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Standard input is empty
stdout
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S - 1
c - 1
A - 1
a - 1
l - 1
e - 3
r - 2
b - 2
y - 1
i - 3
n - 1
t - 2
v - 1
w - 1
https://ideone.com/Qebzkp
language:
Java (HotSpot 12)
created:
1 day ago
visibility:
public

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