Sep 7, 2013 · str = str.replace("a", "0").replace("b", "1"); We require an assignment back to 'str' because str.replace () returns a new String and the original string would be unchanged.

You'll want to appendTail() after the loop. Won't matter in this example case, but it will matter if the String ends with a number, because otherwise you will lose anything after the last letter. Love …

Apr 9, 2025 · There are certain methods for Integer to String conversions mentioned below: Using the toString () method of the Integer class Using the valueOf () method of the String class …

Oct 15, 2016 · In the code give on the site this could be done using a simple string contains method. if (Integer.toString(i).contains("7"){ primeNumbers = primeNumbers + "S" + " "; else { …

Dec 13, 2021 · The StringBuffer.replace () is the inbuilt method which is used to replace the characters in a substring of this sequence with the characters in the specified String. Here …

Apr 18, 2023 · The replace (int start, int end, String str) method of StringBuilder class is used to replace the characters in a substring of this sequence with characters in the specified String.

Definition and Usage The replace() method searches a string for a specified character, and returns a new string where the specified character (s) are replaced.

Jun 15, 2024 · In this tutorial, we’re going to be looking at various means we can remove or replace part of a String in Java. We’ll explore removing and/or replacing a substring using a …

Mar 1, 2021 · String.replace() is used to replace all occurrences of a specific character or substring in a given String object without using regex. There are two overloaded methods …

Dec 26, 2014 · How do I get the relevant numbers to be replaced by the correct string statements instead of what I currently have? I only managed to find tips on converting strings to integers, …