SS&C TECHNOLOGIES Senior Java Developer Interview Questions and Answers

James Gosling is the developer of Java.

• James Gosling developed Java while working at Sun Microsystems in the early 1990s.

• Java was originally called Oak and was designed for use in consumer electronics.

• Java's popularity grew with the rise of the internet and its ability to run on multiple platforms.

• Oracle Corporation acquired Sun Microsystems in 2010 and now owns Java.

Java is a high-level, object-oriented programming language used to develop applications for various platforms.

• Java is platform-independent and can run on any device with a Java Virtual Machine (JVM)

• It is known for its security features and is commonly used for developing web and mobile applications

• Java is also used for developing enterprise-level applications and software tools

• Examples of popular Java-based frameworks

There are many packages in Java.

• Java has a vast collection of packages for various purposes.

• Some commonly used packages are java.lang, java.util, java.io, java.net, etc.

• Packages provide a way to organize and reuse code.

• Developers can also create their own packages for their projects.

Java has around 100 packages that provide various functionalities.

• Java packages are used to organize related classes and interfaces.

• Some commonly used packages are java.lang, java.util, java.io, java.net, etc.

• Packages can be imported using the import keyword.

• Packages can also be created by the user to organize their own classes and interfaces.

An operator is a symbol or keyword used to perform operations on one or more operands in a programming language.

• Operators are used to perform mathematical, logical, and comparison operations.

• Examples of operators in Java include +, -, *, /, %, ==, !=, <, >, &&, ||, etc.

• Unary operators operate on a single operand, while binary operators operate on two operands.

• Ternary operator ?: is a conditional operator that takes thr...read more