Java String Function replace()

The java string replace() method returns a string replacing all the old char or CharSequence to new char or CharSequence.
Since JDK 1.5, a new replace() method is introduced, allowing you to replace a sequence of char values.

Java String replace(char old, char new) method example

public class ReplaceExample1{  
public static void main(String args[]){  
String s1="javatpoint is a very good website";  
String replaceString=s1.replace('a','e');//replaces all occurrences of 'a' to 'e'  


jevetpoint is e very good website
java java string