Beginners Programs :

Generic Class With Multiple Type Parameters In Java

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 ...

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Java Simple Generic Class – Tutorial & Programs

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-6149af2b19402667987226/] Output: [crayon-6149af2b1940a426731123/] In the above example, class ...

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Java Exception Throw Clause – Tutorial & Examples

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 ...

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Constructors In Java – Types & Examples | JavaTutorials

A constructor is a special method that is invoked when a new object is created. If we want to perform any one-time activities on an object at the time of its creation, then the constructor is the right place. Generally, the initialization of instance variables are done in the constructor. The purpose of a constructor is not limited to initialization. ...

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Java Constructor Chaining – Types & Example | Tutorials

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 ...

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Exception Handling In Java – Tutorial & Examples

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-6149af2b1a641425717902/] The above program will not cross the compilation stage because there is a ...

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One Dimensional Array In Java – Tutorial & Example

One Dimensional Array Program in Java – In this article, we will detail in on all the different methods to describe the one-dimensional array program in Java with suitable examples & sample outputs. The methods used in this article are as follows: Using Standard Method Using Scanner Using String An array is a collection of elements of one specific type ...

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Two Dimensional Array In Java – JavaTutoring

Two Dimensional Array in Java Programming – In this article, we will explain all the various methods used to explain the two-dimensional array in Java programming with sample program & Suitable examples. All the methods will be explained with sample programs and suitable examples. The compiler has also been added so that you understand the whole thing clearly. The means ...

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Multilevel Inheritance In Java – Tutorial & Examples

What is Multilevel Inheritance In Java? In Java (and in other object-oriented languages) a class can get features from another class. This mechanism is known as inheritance. When multiple classes are involved and their parent-child relation is formed in a chained way then such formation is known as multi-level inheritance. In multilevel inheritance, a parent a class has a maximum ...

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Java BigInteger Class – Tutorial & Examples | JavaTutorials

Whats is Java BigInteger? The class BigInteger is in the package java.math In Java, we have 4 data types to deal with integer type data. Those are byte, short, int and long. With byte, we can store numbers up to 127. With short, we can store numbers up to 32767. With int, we can store numbers up to 2147483647. With ...

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