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java-wrapper-class

11 posts

Different Ways to Create the Instances of Wrapper Classes in Java

Last Updated: 23 July 2025

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 and in this field, we can store...read more

java-wrapper-class

Need of Wrapper Classes in Java

Last Updated: 23 July 2025

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 wrapper classes in java. It is beca...read more

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java-wrapper-class

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

Last Updated: 23 July 2025

Java provides the Comparable interface to sort objects using data members of the class. The Comparable interface contains only one method compareTo() that compares two obj...read more

java-wrapper-class

Java-Comparable

Output of Java programs | Autoboxing and Unboxing

Last Updated: 11 July 2025

Prerequisite - Autoboxing and unboxing in Java1)What is the output of the following program? Java class Main { public static void main(String[] args) { ...read more

Java-Data Types

java-wrapper-class

Difference between an Integer and int in Java with Examples

Last Updated: 11 July 2025

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 only store the binary value of an ...read more

Difference Between

java-wrapper-class

Base conversion in Java

Last Updated: 11 July 2025

Given a number in a given base, convert it into another target base.ExamplesInput : Number = "123" Source Base = 8 Target Base = 10Output : 833 * 1 + 2 * 8 +...read more

java-wrapper-class

Java.Lang.Byte class in Java

Last Updated: 23 July 2025

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 converting it to a string repr...read more

Java-lang package

java-wrapper-class

java-lang-reflect-package

Java.Lang.Double Class in Java

Last Updated: 23 July 2025

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

Java-lang package

java-wrapper-class

Autoboxing and Unboxing in Java

Last Updated: 02 August 2025

AWrapper classin Java is one whose object wraps or containsprimitive data types. This leads to two key features: Autoboxing and Unboxing.1. AutoboxingThe automatic convers...read more

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java-wrapper-class

Wrapper Classes in Java

Last Updated: 22 November 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 a field and in this field, we ...read more

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java-wrapper-class

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 can not be changed and the same...read more

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java-wrapper-class