3SD Solutions
Stylitics Interview Questions and Answers
Q1. What is difference between Class and Id (HTML & CSS regarding)
Class is used to style multiple elements, while Id is used to style a single element.
Class can be used multiple times in a document, while Id should be unique.
Class is denoted by a period (.), while Id is denoted by a hash (#).
Example:
vs
Q2. The only difference between them is that "id" is unique in a page and can only apply to at most one element, while "class" selector can apply to multiple elements.
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
Q3. Why we use java rather then Node.js?
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 various functionalities.
Node.js, on the other hand, is single-t...read more
Q4. What is java ?
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
Q5. What is JVM ?
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 implementations include Oracle HotSpot, OpenJ9, and GraalVM.
Q6. Why Java is platform independent?
Java is platform independent due to its bytecode and JVM.
Java code is compiled into bytecode, which can run on any platform with a Java Virtual Machine (JVM).
JVM acts as an interpreter that translates bytecode into machine code specific to the underlying platform.
This allows Java programs to be written once and run anywhere, without the need for recompilation.
For example, a Java program compiled on a Windows machine can run on a Mac or Linux machine with the appropriate JVM i...read more
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