Question

How to replace substring between two indexes in StringBuffer with Java

Answer 1

public class MyClass {
    public static void main(String args[]) {
        StringBuffer sb = new StringBuffer("PHP Java C++ C# Python"); 

        System.out.println(sb); 
        System.out.println(sb.replace(9, 12, "c")); 
        System.out.println(sb.replace(4, 7, "NodeJS")); 
    }
}



/*
run:

PHP Java C++ C# Python
PHP Java c C# Python
PHP NodeJSa c C# Python

*/

 

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