How can I iterate over a string in Java?

Question

public static Boolean cmprStr( String s1, String s2 )
{
    // STUFF
}

I want to iterate through s1 to make sure that every character in s1 is incl

Answer 1

public static Boolean cmprStr( String s1, String s2 )
{
    for (int i = s1.length() - 1; i >= 0; --i) {
         if (s2.indexOf(s1.charAt(i)) == -1) {
             return Boolean.FALSE;
         }
    }
    return Boolean.TRUE;
}

Answer 2

Every String is also a CharSequence in Java. Therefore, you can easily iterate over a String using a simple for loop:

int n = s.length();
for (int i = 0; i < n; ++i) {
    char c = s.charAt(i);
    ...
}

Answer 3

Why don't you simply use 'equals' method ?

Boolean b = s1.equals(s2);