What does string intern() method do?
Difference between string, stringbuffer and stringbuilder?
What is volatile keyword in java
Explain differences between collection api and stream api?
What are the three parts of a lambda expression? What is the type of lambda expression?
Does string is thread-safe in java?
What is java thread dump, how can we get java thread dump of a program?
How to convert string to char and vice versa?
Write a method to check if input string is palindrome?
How can we make string upper case or lower case?
How to compare two strings in java program?
What is the major drawback of internal iteration over external iteration?
Why string is immutable or final in java
What is internal iteration in java se 8?
What is thread pool? How can we create thread pool in java?