Miracle Software Systems Interview Questions and Answers

Q1. React basics , hooks , states and props
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1 Hour of Aptitude Test

2 Hours of Coding test

Q1. Which work location would you prefer?
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Q2. What are your concerns on the CTC?
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Q1. Java current version
Ans. 
Java current version is Java 17.
• Java 17 was released on September 14, 2021.

• It introduced new language features like sealed classes, pattern matching for switch statements, and records.

• Java 17 is a long-term support (LTS) release, with support until September 2024.
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Q2. How we achieve multi thread in java
Ans. 
Multi-threading in Java is achieved by creating and managing multiple threads to execute tasks concurrently.
• Use the Thread class or implement the Runnable interface to create threads

• Use the start() method to start a thread

• Synchronize shared resources using synchronized keyword or locks to prevent race conditions

• Use Executor framework for managing thread pools and executing tasks
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Q3. Explain about exception handling in java
Ans. 
Exception handling in Java is a mechanism to handle runtime errors and prevent program crashes.
• Java uses try-catch blocks to handle exceptions

• Exceptions can be caught and handled or propagated to higher levels

• Common exceptions include NullPointerException, ArrayIndexOutOfBoundsException, and IOException
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Q4. Is there is return type for constructer
Ans. 
No, constructors do not have a return type.
• Constructors do not have a return type specified in their declaration.

• Constructors are used to initialize objects of a class and do not return any value.

• Example: public MyClass() { // constructor code }
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Q5. Is jdk is platform independent or not
Ans. 
Yes, JDK is platform independent.
• JDK (Java Development Kit) is platform independent because Java programs can run on any platform that has a Java Virtual Machine (JVM) installed.

• The same Java code can be run on different operating systems such as Windows, macOS, and Linux without any modifications.

• This platform independence is achieved through the concept of 'write once, run anywhere' (WORA) in Java.
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Q1. Can we call functions in stored procedure
Ans. 
Yes, functions can be called within stored procedures in SQL databases.
• Stored procedures can call user-defined functions (UDFs) to encapsulate reusable logic.

• Example: SELECT dbo.MyFunction(column_name) FROM MyTable; can be used inside a stored procedure.

• Functions can return scalar values, tables, or perform calculations.

• Ensure that the function is compatible with the context in which it is called.
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It is based on pen and paper test their will be 4 question ..3 java programming and 1 DBMS the 3 programs can be written either in java or python .if you write 2 questions perfectly then you can clear this round

Q1. Based on Java ..pure basics
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Q1. About ur self and ur confident levels
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Q1. They check Self Introduction.
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Q1. Asked self details and discussed about my skills
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