Given:

import java.util.*; public class Ref { public static void main(String[] args) { StringBuilder s1 = new StringBuilder("Hello Java!"); String s2 = s1.toString(); List<String> lst = new ArrayList<String>(); lst.add(s2); System.out.println(s1.getClass()); System.out.println(s2.getClass()); System.out.println(lst.getClass()); } } What is the result?

Question

Given:

import java.util.*; public class Ref { public static void main(String[] args) { StringBuilder s1 = new StringBuilder("Hello Java!"); String s2 = s1.toString(); List<String> lst = new ArrayList<String>(); lst.add(s2); System.out.println(s1.getClass()); System.out.println(s2.getClass()); System.out.println(lst.getClass()); } } What is the result?

Accepted Answer

C. class java.lang.StringBuilder

Answer

A. class java.lang.String

Answer

B. class java.lang.Object

Answer

D. class java.lang.StringBuilder

Given: import java.util.*; public class Ref { public static void main(String[] args) { StringBuilder s1 = new StringBuilder("Hello Java!"); String s2 = s1.toString(); List<String> lst = new ArrayList<

Question

Options

How the community answered

Explanation

Topics

Community Discussion