Tech Library For Developers
In this post, we will learn How to Sort a list of objects based on an attribute of the objects which we can perform using the sort built in function even we can do the same thing using the sorted function to and here we will discuss both the examples and execution with the help … Read more
In this tutorial, we will learn What Does The ‘Static’ Keyword Do In A Class? in java, the Static keyword is generally used for memory management where the keyword is used to share the same variable or method of a given class in java. Static Keyword It is a non-access modifier in java where we … Read more
Today we will discuss Why Java Is Called As Object Oriented Programming? As Java deals with Classes and their Objects and has a number of concepts like Polymorphism, Abstraction, Inheritance, and Encapsulation which are called OPPs concepts. Object Oriented Programming There are a number of advantages of Object-oriented programming which are not there in procedural … Read more
In this tutorial, We will learn What Is A NullPointerException, And How Do I Fix It? In Java As we know that exceptions occur when there is any condition that may cause some unavoidable error or Situation when the program can not proceed anymore. And handling the such situation are called exception handling. There are … Read more
Here we will discuss How To Print Odd And Even Numbers Using Different Classes In Java Programs where we can use one class to find all odd the elements in one class and the rest of all will be even so print the rest of all at different places which will be called as even. … Read more
In this tutorial, we will learn What is Upcasting and Downcasting In Java? Upcasting which is also known as a generalization or widening is casting in the parent type or from an individual type to a common type whereas down casting means specialization or we can say narrowing means casting to a child type. Or … Read more
Here we will learn What Is The Difference Between int And Integer In Java? Where int is a primitive data type and Integer is a wrapper class that gives more flexibility in terms of converting from one form to another. Primitive Data Types They are the pre defined data types java that is already defined … Read more