Question

What is printed from the following program?

1 class Sophie {

2   

3 public static void main(String[] args) {

4

5 String s = "Java";

6 StringBuilder buffer = new StringBuilder(s);

7 change(buffer);

8 System.out.println(buffer);

9 }

10

11 public static void change(StringBuilder sbval) {

12 sbval.append(" and HTML");

13 }

14

15 }

16

17   

		Java and HTML
		Nothing. There is a runtime error on line 12
		The program will not compile
		Java

Answer 1

sol: java and html

class Sophie {
  
public static void main(String[] args) // main function
   {

String s = "Java";                //declaring string
StringBuilder buffer = new StringBuilder(s);// it is class and creating object of that class
change(buffer); // calling method change
System.out.println(buffer);//printing the buffer
}

public static void change(StringBuilder sbval)
   {
sbval.append(" and HTML"); // append value to the buffer
}

}