Akal Information Systems Java Developer Interview Questions and Answers

Oop concept, Multithread, String

Q1. SAP related questions
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Q1. High level Managerial round
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Java basic problems , Array , Collections, String , Java 8 , Spring Boot,String MVC

Q1. Tell me about your Project ?
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Q2. Write a code which count the number of String (words) occurrence in sentence ?
Ans. 
Count the occurrence of each word in a sentence using Java code.
• Split the sentence into an array of words using split() method.

• Create a HashMap to store each word and its count.

• Iterate through the array and update the count in the HashMap.

• Print the word and its count at the end.
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Q1. How many ways to create the object in java
Ans. 
There are multiple ways to create objects in Java.
• Using the 'new' keyword

• Using object cloning

• Using object deserialization

• Using reflection

• Using factory methods

• Using dependency injection frameworks
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Q2. What is the use of final key word in java
Ans. 
The final keyword in Java is used to restrict the user from modifying the value of a variable, the definition of a method, or the inheritance of a class.
• When applied to a variable, the final keyword makes it a constant that cannot be changed.

• When applied to a method, the final keyword prevents it from being overridden by subclasses.

• When applied to a class, the final keyword prevents it from being extended by other clas...read more
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Q1. How much salary you expected
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Q2. What is the last company provided salary to you
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Q1. Core Java related Questions
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Q2. SQL Databases related Questions
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Q1. Client side interview core Java, SQL, Spring Boot, hibernate
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I have done bsc info tech and i finished c,c++,java,java script,html

Q1. What's yours strength
Ans. I am self-motivated ,being punctual,i done my work at given time
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Q2. Why did i select you
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Q1. Java 8 features
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Q2. Stream api example
Ans. 
Stream API in Java provides a way to process collections of objects in a functional style.
• Stream API allows for easy manipulation of collections using functional programming concepts like map, filter, and reduce.

• Example: List names = Arrays.asList("Alice", "Bob", "Charlie"); names.stream().filter(name -> name.startsWith("A")).forEach(System.out::println);

• Streams can be parallelized to improve performance on multi-core...read more
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Q1. Ask about project,springboot
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Q2. What is jira and uses
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