20 Java String Interview questions and answers in java | java string interview questions in java

In this video you will learn Top 20 String Interview questions and answers for java Developers.

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Questions:-
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Q1. What is String?
Q2. Is String immutable in java?
Q3. Why is String immutable in java ?
Q4. How will you create an immutable class in java?
Q5. In how many ways you can create string objects in java?
Q6. Explain the difference between below statements:
Q7. How many objects are created using new keyword?
Q8. How many objects will be created for the following code?
Q9. How many objects will be created for the following code?
Q10. How many objects will be created for the following code?
Q11. How do you create mutable string objects?
Q12. What is the difference between String and StringBuffer in java?
Q13. What is the difference between StringBuilder and StringBuffer in java?
Q14. Which one will you prefer among “==” and equals() method to compare two string objects?
Q15. What is string intern?
Q16. How to remove all white spaces from a String in Java?
Q17. Write a java program to check whether two strings are anagram or not?
Q18. Write a Program to check if a String is a palindrome or not?
Q19. Write a Java program to reverse String in Java without using any API?
Q20. How do you count the number of occurrences of each character in a string?

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