Algorithms, Java.Please, help me to calculate the time complexity of this algorithm step by step. public String recursRemoveWord(String str, String word) { XXXXXXXXXXif(!str.contains(word))...

Algorithms, Java. Please, help me to calculate the time complexity of this algorithm step by step. public String recursRemoveWord(String str, String word) { if(!str.contains(word)) return str; else return recursRemoveWord(str.substring(word.length()), word); }