Java Related Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Java Related Interview Questions

Questions Answers Views Company eMail

Difference between string, stringbuffer and stringbuilder?

1022

What is volatile keyword in java

1120

Explain differences between collection api and stream api?

1178

What are the three parts of a lambda expression? What is the type of lambda expression?

1031

Does string is thread-safe in java?

1083

What is java thread dump, how can we get java thread dump of a program?

996

How to convert string to char and vice versa?

1002

Write a method to check if input string is palindrome?

1019

How can we make string upper case or lower case?

1069

How to compare two strings in java program?

1047

What is the major drawback of internal iteration over external iteration?

1024

Why string is immutable or final in java

1078

What is internal iteration in java se 8?

1195

What is thread pool? How can we create thread pool in java?

1065

Why string is popular hashmap key in java?

1 2477

Un-Answered Questions { Java Related }

What is spring framework beginner?

417

Can each java object keep track of all the threads that want to exclusively access it?

952

Who wrote struts?

955

What are all the ways for session tracking?

1163

Why we need to integrate struts with spring?

395

What is spring boot in microservices? : Spring Boot

439

What is the use of :: in java?

1010

What is swing control in java?

1050

What is odbc. how is it related to sql cli?

1038

What is collection api?

1044

How can you use spring to resolve collaborators for your bean? Also state the advantages of auto wiring?

438

Give some features of interface?

1065

What is the difference between an orm and an odm?

387

What is the function of T3 in WebLogic Server ?

1178

Why is jdbc better than hibernate?

424

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