HashMap and LinkedHashMap are the classes, quite similar to each other and are used for creating a map. HashMap class extends the AbstractMap class to use a hash table to store the elements in the map. LinkedHashMap class maintains the entries in the map based on their insertion order. The feature that distinguishes …

English grammar is one of the crucial principals when it comes to the study of language. Alas, this study can also be tricky and complicated. Even though the technique of learning grammar has completely changed over the past few years, the basis for learning grammar has remained the same. …

An Isthmus and Peninsula are major geographic features that serve many purposes. Many peninsulas of the world are important national parks and major tourist attractions. Isthmuses are locations that connect two landmasses and are sites for the construction of ports and canals. They also help in the exchange of flora …

Technological developments are one of the factors that played an important role in the telecommunications industry. The telephone went from a means of two-way connection to a system that facilitates people to communicate with each other throughout the world. The maturation of the telecommunications industry over the …

Usually, while selecting a laptop, a person has many things going on in his mind about what kind of laptop he should go for and which features such as durability and specifications in a laptop would suit his purpose and needs. Both the Dell Latitude and Dell precision have many features, including some additional …

Key Difference – Pili vs. Flagella   Pili and flagella are two types of extracellular filaments, which are attached to the cellular membrane of most of the prokaryotes including bacteria and archaea. Pili and flagella are different from one another. A key difference that can be identified between the …

The key difference between complex salt and double salt is that complex salt is a chemical component having one or more complex ions, whereas double salt is a chemical component of two salt compounds. A salt is an ionic chemical compound containing a cation and an anion. The number of cations depends on the number of …

If you have studied geography carefully during your school days, you must remember coming across terms like delta and estuary. Both the terms are associated with rivers and large water bodies such as oceans and seas. Although for a layman, deltas and estuaries would appear to be similar, there are certain important …

Gentrification Gentrification is a process of renovating deteriorated urban neighborhoods by means of the influx of more affluent residents. This is a common and controversial topic in politics and in urban planning. Gentrification can improve the material quality of a neighborhood, while also potentially forcing …

Awhile vs. While The difference between the words ‘awhile’ and ‘while’ may not be apparent to a person who is not a keen reader or writer. This is unless, the reader or writer understands, and has a good command of the basic English language, its grammar, and the application of its words. Most people know that a noun …