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Different Ways to Create the Instances of Wrapper Classes in Java

Last Updated: 18 July 2022

Wrapper Class a class whose object wraps or contains primitive data types. When we create an object to a wrapper class, it contains a field ...read more

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Need of Wrapper Classes in Java

Last Updated: 13 December 2022

Firstly the question that hits the programmers is when we have primitive data types then why does there arise a need for the concept of wrap...read more

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Sorting Elements of Arrays and Wrapper Classes that Already Implements Comparable in Java

Last Updated: 09 February 2023

Java provides the Comparable interface to sort objects using data members of the class. The Comparable interface contains only one method co ...read more

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Java-Comparable

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Output of Java programs | Autoboxing and Unboxing

Last Updated: 12 January 2019

Prerequisite - Autoboxing and unboxing in Java1)What is the output of the following program? [sourcecode language="Java"]class Main { pub ...read more

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Difference between an Integer and int in Java with Examples

Last Updated: 29 July 2024

In Java, int is a primitive data type while Integer is a Wrapper class.int, being a primitive data type has got less flexibility. We can onl ...read more

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Base conversion in Java

Last Updated: 05 June 2021

Given a number in a given base, convert it into another target base.ExamplesInput : Number = "123" Source Base = 8 Target Base ...read more

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Java.Lang.Byte class in Java

Last Updated: 22 May 2023

In Java, Byte class is a wrapper class for the primitive type byte which contains several methods to effectively deal with a byte value like ...read more

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Java.Lang.Double Class in Java

Last Updated: 03 April 2023

Double class is a wrapper class for the primitive type double which contains several methods to effectively deal with a double value like co ...read more

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Autoboxing and Unboxing in Java

Last Updated: 20 April 2022

In Java, primitive data types are treated differently so do there comes the introduction of wrapper classes where two components play a role...read more

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Wrapper Classes in Java

Last Updated: 06 May 2025

A Wrapper class in Java is one whose object wraps or contains primitive data types. When we create an object in a wrapper class, it contains...read more

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Primitive Wrapper Classes are Immutable in Java

Last Updated: 30 August 2022

In Java, an immutable class is a class (Integer, Byte, Long, Float, Double, Character, Boolean, and Short) which once created then its body ...read more

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