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

length()

will give you the length of a string

charAt( someIndex)

will give you the character at a given position, so you can iterate the first String.

indexOf( achar )

will give you the poisition a char in a String, or -1 if it's not there. hence you should be able to look for each character in the first string within the second.