Java Collection Framework

 Java Collections Collections in java is a framework. A collection allows a "group of objects to be treated as a single unit". These objects can be stored, retrieved, and manipulated as an element of a collection. Some collection allows duplicate elements and others...

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Java String

 What is String ? String in java is a sequence of characters. String is an object in java that represents sequence of characters and enclosed with the double quotes ( " "). For example : String s = " Java "; In the above example "Java" is a string with 4 characters. ...

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Multithreading in Java

 What is Multithreading in Java ? Java multithreading is a  process of executing more than one thread simultaneously is known as multithreading in java. The main purpose of multithreading is to achieve the concurrent execution. Advantage of Multithreading...

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Java Array

 Array Array is a collection of similar types of elements or data that have contiguous memory location. Array is an object in java. In java, array is represented via an object. Java array is a data structure where we store similar data types. Java array is fixed in...

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Exception Handling in Java

  Java Exception Handling The exception handling in java is the way to handle run-time errors so that the normal flow of the application can be maintained. Exception handling is the most powerful feature of java. First we understand what is exception? What is exception If...

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