Core Java

Content

1 - Language fundamental 

1. Identifier
2. Reserved words
3. Data types
4. Literals
5. Arrays
6. Types of variables
7. Var arg method
8. Main method
9. Java coding standards

2 - Declaration and Access Modifiers

1. Java source file structure
2. Class modifiers
3. Member modifiers
4. Interfaces

3 - Exception Handling

1. Introduction
2. Runtime stack mechanism
3. Default exception handling in java
4. Exception hierarchy
5. Customized exception handling by try-catch
6.  Control flow in try-catch
7. Methods to print exception information
8. Try with multiple catch blocks
9. Finally
10. Difference between final, finally, finalize
11. Control flow in try-catch-finally
12. Control flow in nested try-catch-finally
13. Various possible combinations of try-catch-finally
14. throw keyword
15. throws keyword
16. Exception handling keywords summary
17. Various possible compile-time errors in exception handling
18. Customized exceptions
19. Top-10 exceptions 

4 - String

1. Concept of String
2. Immutable String
3. String Comparison
4. String Concatenation
5. Concept of Substring
6. String class methods and its usage
7. StringBuffer class
8. StringBuilder class
9. Creating Immutable class
10. toString() method
11. StringTokenizer class

5 - Multithreading

1. Multithreading
2. Life Cycle of a Thread
3. Two ways to create a Thread
4. How to perform multiple tasks by multiple threads
5. Thread Scheduler
6. Sleeping a thread
7. Can we start a thread twice?
8. What happens if we call the run() method instead of the start() method?
9. Joining a thread
10. Naming a thread
11. The priority of a thread
12. Daemon Thread
13. ShutdownHook
14. Garbage collection
15. Synchronization with a synchronized method
16. Synchronized block
17. Static synchronization
18. Deadlock
19. Inter-thread communication

6 - Collection

1. Collection framework
2. ArrayList class
3. LinkedList class
4. List interface
5. HashSet class
6. LinkedHashSet class
7. TreeSet class
8. PriorityQueue class
9. Map interface
10. HashMap class
11. LinkedHashMap class
12. TreeMap class
13. Hashtable class
14. Sorting
15. Comparable interface
16. Comparator interface
17. Properties class in Java

7 - Regular expression