Java 8: convert List into Map
Suppose we have a List of objects and want to convert into Map.
Modifiers in Java
Understanding modifiers in Java and its sphere of influence
While loop in java
Understanding while loop in Java
Java For loop
Understanding for loop in Java
Java object initialization and instantiation order
Java object initialization and instantiation order
final in Java
Understanding significance of final in Java
Static in Java
Understanding significance of static in Java
Java 8 – flatmap to find a pair of elements from two List
Today we will see how using java 8 stream flatmap method we can wind all the pairs from two Lists.
Java 8 – get all unique characters from List of string using flatmap
Let’s see how we can get all the unique characters from List of Strings.
Java 8 Default Method Example
Let’s understand why we need default methods which have been added in Java 8. Assume that we have an Interface with some abstract methods and it has many implementation classes. Now if we want to add new method in the Interface it means we need to change all implementations. Continue Reading