how to replace a single character in a string java code example
Example 1: how to change single character of a string in java
String s1 = "This is a String";
String s2 = s1.substring(0, 8) + "o" + s1.substring(9);
System.out.println(s2);
Example 2: how to replace a character with another character in a string in java
public class JavaExample{
public static void main(String args[]){
String str = new String("Site is BeginnersBook.com");
System.out.print("String after replacing com with net :" );
System.out.println(str.replaceFirst("com", "net"));
System.out.print("String after replacing Site name:" );
System.out.println(str.replaceFirst("Beginners(.*)", "XYZ.com"));
}
}