In Java, an instance variable is a variable that belongs to an instance of a class, rather than to the class itself. An instance variable… [Read More]
Java Timestamp to Date Conversion
In this guide, we will learn how to convert Timestamp to Date. Timestamp has higher precision than date and is used when we want to… [Read More]
Java Date to Timestamp Conversion
Timestamp has higher precision as it includes fraction seconds, while a Date is accurate upto seconds as it doesn’t include fraction of seconds. In this… [Read More]
Java Object to String Conversion
In this guide, we will learn how to convert Object to String in Java. We will also see program for StringBuffer and StringBuilder object to… [Read More]
Java String to Object Conversion
In this guide, we will learn how to convert String to Object in Java. Object is a parent class of all the classes in Java… [Read More]
Java String to float Conversion
In this guide, we will see how to convert String to float in Java. We will use the parseFloat() method of Float class for this… [Read More]
Generics in Java With Examples
Generics was introduced in 2004 in Java programming language. Before the introduction of generics, type safety was not available, which caused program to throw errors… [Read More]
Java Keywords With Examples
List of keywords and their usages in Java Programming language. To learn more about a specific keyword, just click on the keyword and it will… [Read More]
What is protected Keyword in Java
The protected keyword is an access modifier in java. It is used for variables, methods and constructors. The fields marked with protected keyword are only… [Read More]
What is private Keyword in Java
The private keyword is an access modifier in java. It can be used for variables, methods, constructors and inner classes. Note: The private is the… [Read More]
What is new Keyword in Java
The new keyword is used to create an object of a class. How to use the new keyword? The following syntax is used to create… [Read More]
What is long Keyword in Java
The long keyword is a primitive data type in Java. Similar to int data type, it is used to store whole numbers. The range of… [Read More]
What is int Keyword in Java
The int keyword is a primitive data type in Java. An int data type can hold values ranging from -231(-2147483648) to 231-1 (2147483647). public class… [Read More]
Java instanceof With Examples
The instanceof keyword is an operator in java. It checks if the given object is an instance of a specified class or interface. It returns… [Read More]
What is float Keyword in Java
The float keyword is a data type in Java, which is used for floating point values. The range for float data type is 3.4e-038 to… [Read More]
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