Learn Java and Programming through articles, code examples, and tutorials for developers of all levels.
Tuesday, August 31, 2021
Java 8 Stream filter() + findFirst Example Tutorial
Top 22 Array Concepts Interview Questions Answers in Java
How to add and remove Elements from an Dynamic Array in Java? Example Tutorial
Friday, August 27, 2021
How to Remove Objects From ArrayList while Iterating in Java - Example Tutorial
Thursday, August 26, 2021
9 JSP Implicit Objects and When to Use Them
If you are new to JSP then your first question would be what are implicit objects in JSP? Well, implicit objects in JSP are Java object which is created by Servlet containers like the tomcat or Jetty during translation phase of JSP, when JSP is converted to Servlet. These objects are created as local variables inside the service() method generated by the container. The most important thing about the implicit objects is to remember that these objects are available to any JSP developer inside the JSP page and they can do a lot of things with implicit objects and expression language which was only possible with scriptlet earlier. That's why they are known as implicit objects.
How to implement PreOrder traversal of Binary Tree in Java - Example Tutorial
How to reverse a singly linked list in Java without recursion? Iterative Solution Example
Tuesday, August 24, 2021
How to use Randam vs ThreadLocalRandom vs SecureRandom in Java? Example Tutorial
How to implement Linear Search Algorithm in Java? Example tutorial
How to Convert String to LocalDateTime in Java 8 - Example Tutorial
How to use Stream.filter method in Java 8? Example Tutorial
Monday, August 23, 2021
How to reverse bits of an integer in Java? [LeetCode Solution]
10 Examples of Stream API in Java 8 - count + filter + map + distinct + collect() Examples
Sunday, August 22, 2021
How to debug Java 8 Stream Pipeline - peek() method Example Tutorial
Can you make an Abstract Class or Method Final in Java? Example
How to Calculate Next Date and Year in Java | LocalDate and MonthDay Example Tutorial
Saturday, August 21, 2021
How to Reverse an Array in place in Java? Example Solution
3 ways to ignore null fields while converting Java object to JSON using Jackson? Example
Friday, August 20, 2021
5 Differences between an array and linked list in Java
What is difference between final vs finally and finalize in Java?
Thursday, August 19, 2021
How to convert ArrayList to HashMap and LinkedHashMap in Java 8 - Example Tutorial
How to code Binary Search Algorithm using Recursion in Java? Example
Post Order Binary Tree Traversal in Java Without Recursion - Example Tutorial
Wednesday, August 18, 2021
7 Examples to Sort One and Two Dimensional String and Integer Array in Java | Ascending, Descending and Reverse Order
How to prepare Oracle Certified Master Java EE Enterprise Architect (1z0-807, 1Z0-865, 1Z0-866) - OCMJEA6 Exam
Phase 1: Compulsory Course
At this point, the candidate is required to take at least one official Oracle course from Java at any partner company. You can complete this course during certification - before, during, or after.If you already have experience in Java and architecture, leave to take the course at the end. If not, use the classes to gain knowledge for the test by doing them before. There is a complete grid of Java courses for the candidate to acquire the necessary know-how for this certification.
How to use Record in Java? Example
Monday, August 16, 2021
How to Check is given String is a Palindrome in Java using Recursion
Top 5 Free Apache Maven eBooks for Java Developers
Top 4 Free Microsoft SQL Server Books - PDF Download or Online Read
How to check if strings are rotations of each other in Java? String Rotation Example Solution
4 Best Books to Learn Web Service in Java - SOAP and RESTful
Sunday, August 15, 2021
What is the cost of Oracle Java Certifications - OCAJP, OCPJP, OCEWCD, OCPJD?
Saturday, August 14, 2021
Top 3 Free Struts Books for Java EE developers - Learn Online, PDF download
Java Program to find Armstrong numbers with Example
How to check if a number is an Armstrong number or not? or write a Java program to find Armstrong's number? This is a common Java interview question asked on-campus interviews and fresher-level interviews. This is also a popular Java programming exercise on various schools, colleges, and computer courses to build programming logic among Students. An Armstrong number is a 3 digit number for which the sum of cube of its digits is equal to the number itself.
Thursday, August 12, 2021
Insertion Sort Algorithm in Java with Example
Difference between VARCHAR and NVARCHAR in SQL Server
Wednesday, August 11, 2021
How to Rotate an Array to Left or Right in Java? Solution Example
How to implement Merge Sort Algorithm in Java [Solved] - Example Tutorial
What is Variable and Method Hiding in Java - Example Tutorial
How to implement Comparator and Comparable in Java with Lambda Expression & method reference? Example
Difference between List <?> and List<Object> in Java Generics - Example
Tuesday, August 10, 2021
Java - Difference between getClass() and instanceof in equals() method?
Monday, August 9, 2021
How to Read or Parse CSV files with Header in Java using Jackson - Example Tutorial
Java 8 StringJoiner Example - How to join multiple Strings with delimiter in Java?
Saturday, August 7, 2021
Can You Run Java Program Without a Main Method? [Interview Question Answer]
Friday, August 6, 2021
How to Remove an Element from Array in Java with Example
How to remove duplicates from Collections or Stream in Java? Stream distinct() Example
How to Reverse String in Java with or without StringBuffer Example
Thursday, August 5, 2021
What is double colon (::) operator in Java 8 - Example
How to copy Array in Java? Arrays copyOf and copyOfRange Example
Wednesday, August 4, 2021
How to Join Multiple Strings in Java 8 - String join() Example
How to Find Nth Fibonacci Number in Java [Solved] - Example Tutorial
How to Find Square Root of a Number in Java [Solved] - Example Tutorial
How to write a Java program to find the square root of a number is a common Java programming exercise that many institutes use in their Java course along with Java program to print Fibonacci series and How to find Armstrong numbers in Java, which we have seen earlier. Java program for the square root is also a popular question during college semester exams and various programming tests.
Tuesday, August 3, 2021
How to implement Binary Tree PreOrder Traversal in Java without Recursion? [Solved] Example Tutorial
Java 8 Stream map() function Example with Explanation
Top 21 Java HashMap Interview Questions and Answers
Monday, August 2, 2021
Top 15 Java 8 Stream and Functional Programming Interview Questions Answers
Bubble sort in Java - Program to sort an Integer Array [Example]
How to Reverse an Integer in Java without converting to String? Example and Solution
Reverse digits of an integer.
Example 1: x = 123, return 321
Example 2: x = -123, return -321