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With over 500 languages in use globally, it is a dynamic job market for developers. Java, JavaScript,.NET, Python, SQL and C languages (C, C++, C#) dominate the rest. There are plenty of niche languages such as PHP, Ruby, R and VB.NET that programmers deploy to build great applications. Learning multiple languages widens your thought process and make you a well-rounded developer. Knowing many programming languages helps you climb the corporate ladder and gives you a head start when it comes to roles like Technology Architect.