In this article, we will discuss how to convert ordered LinkedHashMap into Sorted TreeMap by its Keys Sorting LinkedHashMap in both Ascending/descending order by its Keys: Ascending order: pass LinkedHashMap entries Read More
In this article, we will discuss how to sort contents of LinkedHashSet Key points about LinkedList: LinkedHashSet maintains insertion-order as it uses doubly-linked list and hash table to store element/objects Different Read More
In this article, we will discuss various ways to iterate through TreeMap. We will list down various Map implementation classes and their key property like element/objects storing-order Read More
In this article, we will discuss various ways to iterate through TreeSet – 3 ways Various ways to iterate through TreeSet: Enhanced for-loop introduced in Java 1.5 version Iterating Read More
In this article, we will discuss various ways to iterate through LinkedList – 5 ways Various ways to iterate through LinkedList Regular for-loop Enhanced for-loop introduced Read More
In this article, we will see how to find duplicate in String Arrays 1. Step to find duplicate in String Arrays: Create String Arrays consisting Read More
Java Exception handling: There are 5 keywords related to Exception Handling; those are try catch throw throws finally try-catch-finally combination: We can use 3 combination of Read More
In this article, we will see sample program involving static method What will be output of following program ? Output: Explanation: We are invoking Read More
In this article, we will discuss a sample program on String which is commonly asked to test skill on String What will be output Read More
In this article, we will list down steps to sort Vector Vector: Vector is implementation class of List interface (i.e.; Vector implements List) Vector uses resizable array or Read More
In this article, we will discuss how to sort collection of, String StringBuffer StringBuilder In Collection framework hierarchy, below classes sorts value/objects stored by-default in Read More
In this article, we will discuss OOPs Principle with respect to Java Programming Language. OOPs which stands for Object-Oriented Programming defines different principle approaches which Read More
In this article, we will cover some of the interview questions with their justification on Serialization concept in Java These are most frequently asked interview Read More
In this article, we will discuss the difference between non-generics & generics versions of ArrayList i.e.; ArrayList v/s ArrayList<T> ArrayList v/s ArrayList<T>: ArrayList ArrayList<T> Read More
In this article, we will cover some of the interview questions with their justification on Generics concepts introduced in Java 1.5 version These are most Read More
In this article, we will discuss wildcard arguments in Generics introduced in Java 1.5 version Wildcard arguments: Question mark (?) is known as wildcard Read More
In this article, we will discuss how to create Generics methods and why it is needed and also rules while defining Generics methods Already in Read More
In the previous article, we have discussed on Generics class which helps to instantiate with only particular type-parameter and this way Generics classes provides type-safety Read More
In this article, we will discuss how to create Generics classes and what are the rules while defining/using Generics classes Generics Classes: From Java Read More
In this article, we will discuss new feature introduced in Java 1.5 version called Generics Before starting with introduction part, we will go through few Read More