// For a balanced substring with one char, any length works (all chars are equal) maxlen = Math.max(maxlen, getLength(s, 'a')); // Consider 'b' and 'c' maxlen = Math ...

We construct a matrix to keep track of maximal length suffix of all substrings. We can find the maximal value from this matrix and traverse from that cell diognally upwards till the cell value becomes ...

Java’s String class encapsulates an array of bytes. A byte can be converted to a char, in which case, String becomes an array of characters used to compose words, sentences, or any other data you want ...