Algorithms, Java.Please, help me to calculate the time complexity of this algorithm step by step. public String iterRemoveWord(String str, String word) { XXXXXXXXXXint len = word.length();...

Algorithms, Java. Please, help me to calculate the time complexity of this algorithm step by step. public String iterRemoveWord(String str, String word) { int len = word.length(); while(true) { str = str.substring(len); if(!str.contains(word)) break; } return str; }