Java String Exercises: Count the number of triples (characters appearing three times in a row) in a given string
Java String: Exercise-86 with Solution
Write a Java program to count the number of triples (characters appearing three times in a row) in a given string.
Sample Solution:
Java Code:
import java.util.*;
public class Main
{
public int noOfTriples(String stng)
{
int l = stng.length();
int ctr = 0;
for (int i = 0; i < l-2; i++)
{
char tmp = stng.charAt(i);
if (tmp == stng.charAt(i+1) && tmp == stng.charAt(i+2))
ctr++;
}
return ctr;
}
public static void main (String[] args)
{
Main m= new Main();
String str1 = "welllcommmmeee";
System.out.println("The given string is: "+str1);
System.out.println("The number of triples in the string is: "+m.noOfTriples(str1));
}
}
Sample Output:
The given string is: welllcommmmeee The number of triples in the string is: 4
Flowchart:
Java Code Editor:
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Previous: Write a Java program to make a new string with each character of just before and after of a non-empty substring whichever it appears in a non-empty given string.
Next: Write a Java program to check whether a specified character is happy or not. A character is happy when the same character appears to its left or right in a string.
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Java: Tips of the Day
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Collections.sort(testList); Collections.reverse(testList);
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