Java Tutorials

Java code To Calculate Median – In this article, we will brief in on the mentioned means to  Finding the middle element in array. The following median code has been written in 4 different ways. If you have any doubts you can leave a comment here. The source code has written in: Using Standard Method Using Static Method Using Scanner ...

What is Parameterized Constructor in Java – Tutorial & Examples – If we want to set some data to the constructor so that it can be used in the constructor then we can send so like Person r=new Person(10,20); to receive the values, the corresponding constructor should have formal arguments like. [crayon-6875791e2c74c373469594/] If we want to send three values to constructor ...

Java Constructor Chaining – Calling one constructor from another constructor is generally referred to as constructor chaining. This can be achieved in two ways. this() super() in some cases we use only this(), in some other cases, we use only super(). Sometimes we use both (but not directly). Normal Java constructor calling (without chaining) When we create an object, its ...

Generics is the mechanism of creating a class or method that works for any type of data. Here we covered the complete tutorial along with suitable examples and sample programs, Examples. Note: Generics work with objects (Integer, Double, String, etc) only. They cannot be used with primitive type data (int, double, etc). [crayon-6875791e2cc91461483417/] Output: [crayon-6875791e2cc94884371645/] In the above example, class ...

What is Exception Handling In Java – When we work with a program we come up with different kinds of errors like syntactical errors, logical errors, runtime errors, etc. let us try to differentiate these errors with a simple program. Example Program To Differentiate the Errors: [crayon-6875791e2ce61758963593/] The above program will not cross the compilation stage because there is a ...

Oops Concepts in Java complete tutorial & Types with sample examples & Programs. Also check the complete Java tutorials right here. There are different paradigms followed in writing programs (developing software) like the following… Sequential Programming. Procedure Oriented Programming. Object-Oriented Programming. Multi-tier Programming, etc To develop better software, programmers and managers concentrate on the aspects like the following. These people ...

How the generics work with multiple types: “Generics” mechanism allows us to work with a class (or method) that suits for any type of data. Suppose we want one Stack that holds Integer data and another Stack that holds String data then we need two different classes. With generics, we can write only one class that works for both the ...

Java continue complete tutorial with examples. If you have any doubts related to Java continue do leave a comment here. Definition: ‘continue’ is a statement used to skip the remaining statements in the current iteration and move to next iteration of a loop. The looping construct can be a while loop, for loop or a do-while loop. Without a loop, we ...

Java exception Throw Clause – “throw” clause is used to throw an exception from our side. Normally, the system throws an exception when a runtime error occurs. Generally “throw” is used in two situations When we want to throw a new exception object (that is created by us) When we want to pass an exception object from one place to ...

Java convert double to Long – We have different ways to convert a double value to a long value or from long to double. Apart from the given program, you can check out the list of over 500+ Java programs with sample examples and outputs. Methods we used to convert double to long/ long to double: Simple type conversion round() ...