3SD Solutions Interview Questions and Answers

Java is platform independent due to its use of the Java Virtual Machine (JVM) and bytecode compilation.

• Java code is compiled into bytecode, which is platform-independent.

• The Java Virtual Machine (JVM) interprets bytecode on any operating system.

• This allows Java applications to run on any device with a compatible JVM.

• For example, a Java program written on Windows can run on Linux or macOS without modification.

Java is preferred for its strong typing, scalability, platform independence, and extensive libraries.

• Java is statically typed, which helps catch errors at compile time.

• Java is known for its scalability, making it suitable for large enterprise applications.

• Java is platform independent, allowing it to run on any device with a Java Virtual Machine (JVM).

• Java has a vast array of libraries and frameworks available for ...read more

JVM stands for Java Virtual Machine, which is a virtual machine that enables a computer to run Java programs.

• JVM is responsible for converting Java bytecode into machine code that can be executed by the computer's processor.

• It provides a platform-independent execution environment for Java applications.

• JVM manages memory, handles garbage collection, and provides security features for Java programs.

• Examples of JVM i...read more

Java is a high-level programming language known for its portability, security, and versatility.

• Java is object-oriented

• It is platform-independent

• Java programs are compiled to bytecode and run on a Java Virtual Machine (JVM)

• Java is widely used for developing web, mobile, and enterprise applications

The 'id' selector is unique to one element on a page, while the 'class' selector can apply to multiple elements.

• ID selector is denoted by # in CSS, while class selector is denoted by .

• ID should be unique on a page, while class can be used for multiple elements

• ID selector has higher specificity than class selector