0-3 years experience Java interview questions and answers for Freshers and experienced

1. Java interview questions on this keyword 
2. Benefits of arraylist in java over arrays  
3. Instance variables in java with example program
4. Can we define Functional interface with multiple methods in java 8
5. Java 8 java.util.function.Function with example program
6. What are the advantages and disadvantages of Hibernate over JDBC 
7. Math.round method() in java  
8. Advantages and disadvantages of arrays in java  
9. Top 100 Java practice programs with solutions 
10. How to check if first character of a string is a number or not in java  
11. How to format text using printf() method in java 
12. Java program to Convert arraylist to array  
13. Static method vs final static method in java
14. Finalize() method in java with example program
15. Format text using printf() method in java  
16. How to get java source files from jar file  
17. Quicksort algorithm in java with example program 
18. 8 different ways to convert int to String in java  
19. How to run jsp program in eclipse using tomcat 
20. Exception handling in method overriding 
21. Java interface programming questions 
22. Java programming interview questions and answers for experienced    
23. Super keyword java programs for interview for freshers and experienced  
24. Validate email using javascript
25. Super keyword in  java inheritance
26. Java programming interview questions on this keyword part 1
27. Java programming interview questions on this keyword part 2
28. Servlets interview questions
29. Java XML parsing using  DOM Parser
30. toString() method in java with example program
31. Collection vs Collections
32. Dynamic polymorphism in Java  
33. Default constructor vs no arg constructor  
34. 3 different ways to print exception message in java
35. Method overloading interview questions  
36. Get table cell data using JavaScript
37. Can we have try without catch block in java 
38. Unreachable Blocks in java
39. Enum in java
40. Custom iterator in java 
41. Explain Hibernate Configuration file  
42. Java interview questions on exception handling 
43. Is it possible to print message without using System.out.println()
44. Java program to restrict a class from creating not more than three objects 
45. Abstract class and abstract method interview questions and programs  
46. Interfaces allows constructors?
47. Interview Programs and questions on method overriding in java
48. Java interview questions on interfaces
49. Can we create private constructor in java  


50. Super keyword interview questions java 
51. How to check internet connection using java 
52. Remove duplicates from arraylist without using collections
53. What is encapsulation in java ? 
54. Java interview questions on final keyword
55. What is constructor chaining in java? 
56. Can we create static constructor in java 
57. Explain java data types with example programs
58. Inheritance programming interview questions 
59. Explain System.out.println()?
60. What happens When System.out.println(null)?
61. What is non static block in java 
62. Top 20 collection framework interview questions
63. Explain about Enhanced for loop in java
64. What are the oops concepts in java?  
65. Return statement in try catch block java
66. What is class and Object in java?
67. Can we Overload static methods in java
68. Can we Override static methods in java 
69. Java interview Questions on main() method 
70. Can we call super class static methods from sub class 


71. Can you define an abstract class without any abstract methods?
72. what are the differences between Final , finally finalize()?
73. What is Exception? difference between Exception and Error? and types of Exceptions?
74. Differences between method overloading and method overriding
75. How to write custom Exception?
76. What is serialization?
77. What is abstract class and interfaces ?
78. How to call garbage collector explicitly?
79. what is cloning? difference between shallow copy/shallow cloning and deep copy /deep cloning?
80. Difference between arraylist and vector?
81. Producer Consumer Problem
82. Different ways to create objects in java
83. Different places to define object in java
84. Why Java does not supports multiple inheritance?
85. Difference between enumeration and iterator and list iterator?
86. Difference between throw and throws in java
87. What is the difference between equals() method and == operator
88. Differences between HashMap and Hash-table
89. Convert string to date in java
90. Remove duplicate elements from an array
91. Can we create Thread without extending thread and Implementing Runnable
92. Comparable vs Comparator
93. Singleton Design Pattern 
94. Why StringBuffer Class not overriding Equals() method?  
95. Draw the Architecture Diagram of your current project. 

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2. Top 10 Oops Concepts Interview Questions 

3. Top 15 Java Interview Questions on Constructors

4. Top 10 Inheritance Interview Questions

5. Interview Programs on Strings

6. 10 Interesting Core Java Interview Coding Questions and Answers

7. Top 20 Basic Java Interview Questions for Frehsers 

8. Top 10 interview Question on Static keyword. 

9.Top 20 Java interview Questions on Increment and Decrement operators

10.Top 10 Interview Questions on main() method

11. Top 12 Java Experienced interview Programming Questions on Strings

12.Pattern Programs in java Part-1

13.Pattern Programs in java Part-2

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