With the help of java, I have created concat() string method. In the example given below, I have used '+' operator , StringBuilder and StringBuffer Class to join string in java. The string concat() ...

Exercise was done on intelliJ using Java Original Kata: https://www.codewars.com/kata/calculate-mean-and-concatenate-string&sa=D&ust=1578167445248000&usg ...

When concatenating strings it was always recommended to use String buffer, then later String Builder. I also did the same whenever I needed to. After watching a video by Dr. Venkat Subramaniam now I ...