// There are two ways to achieve abstraction in java // Abstract class (0 to 100%) and Interface (100%) // Abstract class needs to be extended and its method implemented. // It cannot be instantiated.

Java-Store-Rental-Program For this assignment I have created a software model for products available at 'Tim’s Hardware Store' using polymorphism, abstract classes, and interfaces. I have implemented ...

Method and variable handles vs. Java reflection To truly understand MethodHandles and VarHandles —what they do and why they are useful—it’s helpful to know a few things about reflection in Java.

The code instructs the program to “use the static method from this class” instead of writing a lambda. Method references vs. lambda expressions Now let’s compare two examples.