Which is the Best Java Web Framework ?

Java - Interview Questions and Answers on StringJoiner

Q1.  What is StringJoiner ?

Ans. StringJoiner is a util method to construct a string with desired delimiter. This has been introduced with wef from Java 8.

Sample Code

StringJoiner strJoiner = new StringJoiner(".");
strJoiner.add("Buggy").add("Bread");
System.out.println(strJoiner); // prints Buggy.Bread

Q2.  Which of the following has been introduced with Java 8 ?

 a. StringBuffer
 b. StringBuilder
 c. StringFilter
 d. StringJoiner

Ans. StringJoiner

Q3. What is the package name for StringJoiner class?

Ans.java.util

Q4. Which is the Parent Class of StringJoiner class?

Ans.java.lang.Object


Subscribe to Java News and Posts. Get latest updates and posts on Java from Buggybread.com
Enter your email address:
Delivered by FeedBurner
comments powered by Disqus




×

Try our new Java Interview Questions Search Tool.

There are more than 1000 questions with practice tests.

It's updated daily and It's Awesome.


×

Try our new Java Practice Test tool.

There are more than 200 questions and expanding quickly. It's updated daily and It's Awesome.