Core Java interview questions

String reverse with recursion example
Amstrong number example in java
Find duplicates in Array in java
How to define custom exceptions in java
Serialization and Deserialization in java example
Find duplicates in ArrayList in java
Find duplicate words in a line in Java
Factorial of a number in java example
Fibonacci series example in Java
File read write example in Java
What is memory leak in Java?
How to avoid memory leaks in Java
Why wait() and notify(),nitifyAll() methods are in Object class not in thread class
Permutations of a string example in Java
Reverse number example in Java
String reverse without using functions in Java example
Producer Consumer example in Java