"Hiabc", "abc" -> true
"AbC", "HiaBc" -> true
"abc", "abXabc" -> true
"abc", "abXaXc" -> false

String str1Lower = str1.toLowerCase();
String str2Lower = str2.toLowerCase();
if (str1Lower.endsWith(str2Lower) || str2Lower.endsWith(str2Lower) {
    System.out.println ("One of the strings is the end of the other");
} else {
    System.out.println ("bummer.");
}

public static void main(String[] args) {
    // TODO Auto-generated method stub

    String s1="abc";
    String s2="zzzABC";

    s1 = s1.toUpperCase(); //remember string immutable so have to assign once again
    s2 = s2.toUpperCase();

    if(s1.endsWith(s2) || s2.endsWith(s1))
        System.out.println("one of the string appears at the very end of others");

}