String, StringBuffer & StringBuilder for JAVA Interviews
Requirements
- It's desirable to have some minimum basic knowledge of Java
Description
The student can get complete knowledge on the following topics:
1. Difference between String and StringBuffer:
* Mutability Vs Immutability
* equals() method
2. String Objects Creation : Heap and String Constant Pool(SCP)
3. Importance of String Constant Pool(SCP)
4. Important FAQs on String and StringBuffer
5. Important Constructors of String class
6. Important Methods of String class:
charAt(), concat(), equals(), equalsIgnoreCase()
isEmpty(), length(), replace(), substring()
indexOf(), lastIndexOf(), toLowerCase(), toUpperCase()
trim()
7. Important Conclusions about String Immutability
8. Creation of Our Own Immutable Class
9. final vs immutability
10. Need of StringBuffer ?
11. StringBuffer class Constructors
12. Important Methods of StringBuffer class:
length(), capacity(), charAt(), setCharAt(), append()
insert(), delete(), deleteCharAt(),reverse()
setLength(), ensureCapacity(), trimToSize()
13. Need of StringBuilder
14. Differences between StringBuffer and StringBuffer
15. String vs StringBuffer and StringBuilder
16. Method Chaining
Who this course is for:
- Anyone looking to clear Java Certification
- Anyone looking to clear Java Interviews
- Anyone to get perfection on day to day coding requirements on String,StringBuffer and StringBuider Concepts
Course content
- 16:10Difference between String and StringBuffer: Mutability Vs Immutability
- 14:10Difference between String and StringBuffer: == Operator Vs equals() method
- 18:14String Objects Creation : Heap and String Constant Pool(SCP) Part-1
- 06:26String Objects Creation : Heap and String Constant Pool(SCP) Part-2
- 17:28String Objects Creation : Heap and String Constant Pool(SCP) Part-3
- 14:33Importance of String Constant Pool(SCP)
- 10:34Important FAQs on String and StringBuffer
- 11:29Important Constructors of String class
- 15:47Important Methods of String class:charAt(),concat(),equals(),equalsIgnoreCase()
- 17:51Important Methods of String class:isEmpty(),length(),replace(),substring()
- 08:09Important Methods of String class:indexOf(),lastIndexOf(),toLowerCase(),toUpperC
- 23:22Important Methods of String class: trim() method and its use case
- 15:02Important Conclusions about String Immutability
- 11:42Creation of Our Own Immutable Class
- 09:13final vs immutability
Instructor
Myself DURGA working as a trainer in DURGASOFT, involved in technical training for the last 16 years and trained lakhs of students. Worked as a Software Engineer at IBM around 5 years. Involved in Java Training,Python Training,Java 8 new features,java 9 new features , Java Certification Training. Owner of youtube channel : durgasoftware. Very passionate about learning new technologies.