import java.util.*;
import java.lang.*;
import java.io.*;
 
class MyStringReplace {
 
    public static void main(String a[]){
 
        String str = "This is an example string";
        System.out.println("Replace char 's' with 'o':"
                    +str.replace('s', 'o'));
 
        System.out.println("Replace first occurance of string 'is' with 'ui':"
                    +str.replaceFirst("is", "ui"));
 
        System.out.println("Replacing 'is' every where with 'no':"
                    +str.replaceAll("is", "no"));
    }
}

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