Merge two strings letter by letter in Java?

Question

Given two strings, A and B, create a bigger string made of the first char of A, the first char of B, the second char of A, the second char of B, and so on. Any le

Answer 1

public String mixString(String a, String b) {
StringBuilder sb = new StringBuilder("");
int longer = 0;
if (a.length()>b.length()) longer = a.length();
else longer = b.length();
for (int i = 0; i