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Default Values Assigned to Primitive Data Types in Java

Last Updated: 24 March 2023

In Java, when a variable is declared but not initialized, it is assigned a default value based on its data type. The default values for the primitive data types in Java ar...read more

Java-Data Types

How to Get Size, Minimum, and Maximum Value of Data Types in Java?

Last Updated: 28 March 2021

The size of a data type is given by (name of datatype).SIZE. The maximum value that it can store is given by (Name of data type).MAX_VALUE. The minimum value that it can s ...read more

Java-Data Types

Difference Between byte, short, int and long Datatype in Java

Last Updated: 19 January 2021

There are two types of data types namely primitive datatype/fundamental and non-primitive/derived datatype. The primitive data type is defined as local sets or default set...read more

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Similar Topics

9.7k+ articles

2.7k+ articles

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320+ articles

160+ articles

Java-String-Programs

130+ articles

60+ articles

40+ articles

20+ articles

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How to Convert a Byte value to String value in Java with Examples

Last Updated: 30 January 2020

Given a Byte value in Java, the task is to convert this byte value to string type.Examples:Input: 1Output: "1"Input: 3Output: "3"Approach 1: (Using + operator)One method i ...read more

Java-Data Types

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How to Convert a String value to Float value in Java with Examples

Last Updated: 29 January 2020

Given a String "str" in Java, the task is to convert this string to float type.Examples:Input: str = "1.0"Output: 1.0Input: str = "3.14"Output: 3.14Approach 1: (Naive Meth ...read more

Java-Data Types

Java-String-Programs

How to Convert a String value to Byte value in Java with Examples

Last Updated: 29 January 2020

Given a String "str" in Java, the task is to convert this string to byte type.Examples:Input: str = "1"Output: 1Input: str = "3"Output: 3Approach 1: (Naive Method)One meth ...read more

Java-Data Types

Java-String-Programs

How to Set Precision For Double Values in Java?

Last Updated: 06 September 2023

Significant digits refer to all digits inclusive of left and right to decimal place keeping a note adding 0 to the left of any number is not countable as significant digit ...read more

Java-Data Types

Iterating over Enum Values in Java

Last Updated: 05 March 2021

Enum in Java is a data type that contains a fixed set of constants. A Java enum type is a special kind of Java class. An enum can contain constants, methods, etc.Given bel ...read more

Java-Data Types

Rounding off errors in Java

Last Updated: 06 June 2018

Compacting many infinite real numbers into a finite number of bits requires an approximate representation. Most programs store the result of integer computations 32 or 64 ...read more

Java-Data Types

NumberFormat Class in Java

Last Updated: 09 February 2022

NumberFormat is an abstract base class for all number formats. This class provides the interface for formatting and parsing numbers. NumberFormat also provides methods for ...read more

Java-Data Types

BigDecimal Class in Java

Last Updated: 04 December 2018

The BigDecimal class provides operations on double numbers for arithmetic, scale handling, rounding, comparison, format conversion and hashing. It can handle very large an ...read more

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Utility Methods of Wrapper Classes in Java

Last Updated: 09 February 2022

Prerequisite: Wrapper ClassesThe objective of the Wrapper class is to define several utility methods which are required for the primitive types. There are 4 utility method ...read more

Java-Data Types

Interesting facts about Increment and Decrement operators in Java

Last Updated: 08 June 2022

Increment operator is used to increment a value by 1. There are two varieties of increment operator:Post-Increment: Value is first used for computing the result and then i...read more

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Abstract Data Types

Last Updated: 23 September 2023

In this article, we will learn about ADT but before understanding what ADT is let us consider different in-built data types that are provided to us. Data types such as int...read more

Java-Data Types

Widening Primitive Conversion in Java

Last Updated: 18 December 2021

Whenever we do use double quotes around a letter or string as we all know it is treated as a string but when we do use a single quote round letter alongside performing som...read more

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