Intersection of two strings in Java

Question

Need a Java function to find intersection of two strings. i.e. characters common to the strings.

Example:

String s1 = new String(\"Sychelless\");
St         


        

Answer 1

Most basic approach:

String wordA = "Sychelless";  
String wordB = "Sydney";  
String common = "";  

for(int i=0;i