/* Given two strings, append them together (known as "concatenation") and * return the result. However, if the strings are different lengths, omit * chars from the longer string so it is the same length as the shorter * string. So "Hello" and "Hi" yield "loHi". The strings may be any length. */ public String minCat(String a, String b) { int min = Math.min(a.length(), b.length()); return a.substring(a.length() - min) + b.substring(b.length() - min); }