Oracle provides a Type 4 JDBC driver, referred to as the Oracle “thin” driver. This driver includes its own implementation of a TCP/IP version of Oracle’s Net8 written entirely in Java, so it is platform ind
Error, and Throwable at the root of Exception Handling. I have seen so many guys who are confused in checked, unchecked, and runtime exceptions. Here you will go through a list of 15 questions related toException Handling in Java.
This core Java question is followup of previous question and expecting candidate to write Java singleton using double checked locking. Remember to use volatile variable to make Singleton thread-safe. check 10 Interview questions on Singleton Pattern in Java for more details and questions answers 12....
An immutable data structure in Java must meet the following requirements:The class itself must be declared final, so subclasses cannot add mutable parts to it (even though the immutable parts would remain immutable). Junior candidates can easily overlook this point. All fields must be private so...
it’s important to consider the questions you’ll be asked. These interview questions can vary based on many factors, including company type, role level, and how long the company you interview with has been in business. How can you prepare to answer these questions with so much to consider...
17. What is the importance of the main method in Java? The main() method is the entry point of any standalone java application. The syntax of the main method ispublic static void main(String args[]). Java’s main method is public and static so that Java runtime can access it without...
The sleep() method in java is used to block a thread for a particular time, which means it pause the execution of a thread for a specific time. There are two methods of doing so. Syntax: public static void sleep(long milliseconds)throws InterruptedException ...
Looking forward to appear in Java Interview, here are the key Java Interview Questions with Answers only for you. - aatul/Java-Interview-Questions-Answers
1.3.How HashMap Works in Java HashMapis probably the most discussed and controversial topic if you are appearing in any junior or mid-level interview. You can face any interview question related toHashMapif you know how hashmap works internally? This post will help you in answering some good...
1. What is Java?Java is a high-level programming language developed by Sun Microsystems (now owned by Oracle) in 1995. It is widely used for developing various applications, including web and mobile applications.2. What are the key features of Java?- Platform independence: Java programs can ...