java string replace substring code example
Example 1: string replace java
public static void main(String args[]){
String s1="my name is khan my name is java";
String replaceString=s1.replace("is","was");
System.out.println(replaceString);
}}
Example 2: how to replace in java
String s1 = "my name is khan and my name is java";
String replaceString = s1.replace("is","was");
System.out.println(replaceString);
Example 3: replace character in string java
String str = "..............................";
int index = 5;
char ch = '|';
StringBuilder string = new StringBuilder(str);
string.setCharAt(index, ch);
System.out.println(string);