Java Tutorial

1.Java Interview Questions  

2. Java programs asked in interviews

3.Java Quiz

4.Java Concept and interview Questions

 

Java Basics:

1. Introduction to Java
2. Coding standards , Naming convention and Identifiers  
3. Top 10 uses of Java Keywords
4. Java Data Types 
5. Java data types with example programs 
6. Control statements in java with examples 


7. Basic Operators in java
8. Method and type of Methods
9. Set and get methods in java
10. 8 different ways to convert int to String in java   
11. Access Specifiers/Modifiers
12. Packages in java
13. public static void main(String[] args)
14. JVM Architecture
15. Object class in java 
16. Command line arguments
17. Var Args in java
18. Type Casting in java
19. Static Import
20. Enhanced For loop 
21. Enum in java

 

Java Features: Java tutorials

1. Java Versions Introduction
2. Java 7 Features
3. 8 New Java 8 features
4. Java 8 Interface Default and Static methods

 

Object Oriented Concepts:

1. OOPS Introduction
2. Encapsulation 
3. Class and Object
4. Four different ways to create objects in java 
5. 5 different places to define object in java
6. Polymorphism
7. Method Overriding
8. Inheritance 
9. Constructor
10. Constructor Overloading 
11. Constructor Chaining
12. Static constructor  
13. Static Keyword
14. This Keyword
15. Super Keyword
16. Super keyword interview questions java 
17. Final Keyword
18. Abstract class and interfaces 
19. Interfaces in java
20. Abstract Class and abstract methods

 

Wrapper classes

1. Wrapper Classes
2. Boxing and unboxing
3. Boolean Wrapper class
4. Integer Wrapper class
5. Character wrapper class 
6. Byte  Wrapper class
7. Float wrapper class
8. Long Wrapper class

 

Arrays

1. Arrays in java

 

Java String

1. String Class In Java
2. StringBuffer Class 
3. String vs StringBuffer vs StringBuilder

 

Exception Handling

1. Exception Handling Introduction
2. Differences Between Exception and Error
3. try catch finally in Java
4. User Defined Exceptions in Java
5. Throw vs throws 
6. Final vs finally vs finalize()
7. Return statement in try catch blocks 
8. Return statement in finally block 
9. Throw keyword in java 
10. Multiple catch blocks in java
11. Try block without catch block
12. Unreachable Blocks in java
13. Different ways to print Exception message
14. Java interview questions on exception handling

Java Sorting algorithms

1. Merge sort algorithm in java with example program
2. Quicksort algorithm in java with example program 
3. Implementation of selection sort algorithm in java with Example program
4. Insertion sort algorithm in java programming
5. Bubble sort algorithm in java with example

 

Multi threading

1. Mutlithreading Introduction 
2. Thread Life Cycle
3. Different ways to create Thread in Java. 
4. Synchronization 

 

Inner Classes:

1. Inner Classes

 

 IO Streams

1. Introduction to io Streams
2. InputStream vs OutputStream
3. Reading data from File using FileInputStream
4. DataInputStream and DataOutputStream
5. ObjectInputStream and ObjectOutputStream
6. PrintStream class
7. Serialization

 

Date Time API

1. Formatting Dates in Java

Collections

1. Introduction to Collection Framework  
2. Collection vs Collections
3. Java collections interview programming questions
4. Collection Interface in java
5. Collection Set Interface   
6. Collection List Interface
7. Collection Map interface 
8. Difference between enumeration and iterator and list iterator? 
9. Difference between arraylist and vector 
10. Differences between HashMap and Hash-table  
11. Convert keys of a map to List 
12. Convert Values of a map to List 
13. Comparable vs Comparator 
14. Custom iterator in java

JDBC

1. JDBC Overview  
2. JDBC Connection Steps Examples

 

Advanced Java Tutorial:

Servlets

1. Servlets in java
2. Servlet Architecture
3. Servlet life cycle
4. Servlet Example program
5. Request Dispatcher
6. ServletConfig
7. ServletContext
8. Filters

Jsp

1. Jsp in Java
2. Jsp life cycle
3. Jsp scripting elements
4. Jsp Directives
5. Jsp Implicit Objects

Java Programs asked in interviews

1. Print prime numbers? 
2. What happens if we place return statement in try catch blocks
3. Is it possible to print message without using System.out.println()
4. Java program to restrict a class from creating not more than three objects
5. Java basic interview programs on this keyword 
6. Java Program to Sort elements of Java ArrayList Example
7. Interfaces allows constructors? 
8. Can we create static constructor in java 
9. Super keyword interview questions java 
10. Java interview questions on final keyword
11. Can we create private constructor in java
12. Java Program Find Second highest number in an integer array 
13. Java interview programming questions on interfaces 
14. Top 15 abstract class interview questions  
15. Java interview Questions on main() method  
16. Sort employee object by id in descending order using comparable and TreesSet
17. Top 20 collection framework interview Questions
18. Java Interview Program to find smallest and second smallest number in an array 
19. Java Coding Interview programming Questions : Java Test on HashMap  
20. Explain java data types with example programs 
21. How to check internet connection using java
22. Constructor chaining in java with example programs 
23. Top 10 Interview Programs and questions on method overriding in java
24. Swap two numbers without using third variable in java 
25. Find sum of digits in java 
26. How to create immutable class in java 
27. AtomicInteger in java 
28. Check Even or Odd without using modulus and division  
29. String Reverse Without using String API 
30. Find Biggest substring in between specified character
31. Check string is palindrome or not?
32. Reverse a number in java?
33. Fibonacci series with Recursive?
34. Fibonacci series without using Recursive?
35. Sort the String using string API?
36. Sort the String without using String API?
37. what is the difference between method overloading and method overriding?
38. How to find largest element in an array with index and value ?
39. Sort integer array using bubble sort in java?
40. Object Cloning in java example?
41. Method Overriding in java?
42. Program for create Singleton class?
43. Print numbers in pyramid shape?
44. Check armstrong number or not?
45. Producer Consumer Problem?
46. Remove duplicate elements from an array
47. Convert Byte Array to String
48. Print 1 to 10 without using loops
49. Add 2 Matrices
50. Multiply 2 Matrices
51. How to Add elements to hash map and Display
52. Sort ArrayList in descending order
53. Sort Object Using Comparator
54. Count Number of Occurrences of character in a String
55. Can we Overload static methods in java
56. Can we Override static methods in java 
57. Can we call super class static methods from sub class 
58. Explain return type in java 
59. Can we call Sub class methods using super class object? 
60. Can we Override private methods ? 
61. Basic Programming Questions to Practice : Test your Skill
62. Java programming interview questions on collections