// StringBuffer stores String(in heap), it is mutable

public class StringBuffer1 {

public static void main(String[] args) {

StringBuffer sb= new StringBuffer("Java");

System.out.println(sb);

sb.append(" is fun"); // as it is mutable, the String value will be changed

System.out.println(sb);

sb= sb.append(" to learn");

System.out.println(sb); // Java is fun to learn

sb= new StringBuffer("and code"); // object reassign

System.out.println(sb); //and code

final StringBuffer sb1= new StringBuffer("Python");

System.out.println(sb1);

sb1.append(" is easy");

System.out.println(sb1);

/*sb1= sb1.append(" is dynamic"); //ERROR- cannot assign value to final variable

System.out.println(sb1);*/

}

}