Signiwis Technologies Interview Questions and Answers

28 question multiple option

5 basic coding question they asked

Q1. About oops and multithreading
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Q2. Related arrays and strings
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Q3. No more question they asked
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Q4. What is marker interface
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A marker interface is an empty interface that marks a class as having a particular property or behavior.
• Marker interfaces do not have any methods or properties.

• They are used to provide metadata to the compiler or runtime environment.

• Examples include Serializable, Cloneable, and Remote interfaces in Java.

• Marker interfaces can also be used to indicate that a class belongs to a certain group or category.
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Q5. What is functional interface
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Functional interface is a type of interface in Java that contains only one abstract method.
• Functional interface can have any number of default or static methods.

• It is used for implementing lambda expressions and functional programming in Java.

• Examples of functional interfaces include Runnable, Comparator, and Callable.

• Functional interface can be annotated with @FunctionalInterface annotation to ensure it contains only ...read more
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Q1. All question came from Html, Css, JavaScript
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Q1. What is meta tag? What is position What promise What is callback What is pseudo element and pseudo class
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Meta tags are HTML tags that provide metadata about a webpage. Position refers to the placement of an element on a webpage. Promise is a JavaScript object representing the eventual completion or failure of an asynchronous operation. Callback is a function passed as an argument to another function to be executed after a specific event occurs. Pseudo elements and pseudo classes are CSS selectors that allow styling of spe...read more
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To filter the numbers and character from the array

Q1. They explain about the bond and company
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Tell me about parents, Transportation, Childhood

Q1. All type of question come
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String programs and pattern programs

Technical concepts related concepts

Q1. All java question like exception handling theads collection
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Q1. Core java advance java
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Q1. English knowledge
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Java , array, simple java program

Q1. Oops, multi threading, jdbc
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Q1. 1.fraud company hiering employee and distroy there carrier by creating UAN and saying you have to work in this less salary and if you resign. then we will tell that you have absconded in your Back ground v...read more
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Q2. 2.fraud company hiering employee and distroy there carrier by creating UAN and saying you have to work in this less salary and if you resign. then we will tell that you have absconded in your Back ground v...read more
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Q1. Mcq question based on opps consents
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Understanding OOP concepts is crucial for software development, enabling better code organization and reusability.
• Encapsulation: Bundling data and methods that operate on the data, e.g., a class representing a bank account.

• Inheritance: Creating new classes based on existing ones, e.g., a 'SavingsAccount' class inheriting from 'BankAccount'.

• Polymorphism: Allowing methods to do different things based on the object it is ...read more
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5 coding questions pattern matching..

Q1. In depth Opps question
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