Renu Singh

14+ Years of experience in various phases of the software development life cycle. Specialties: Java/J2EE, Struts, Hibernate, JSF, JSP, Servlets, AJAX, Oracle, Oracle Knowledge, SQL Server 2000, DB2, EJB3.0. Companies Worked For: 1) Tata Consultancy Services 2) Infogain 3) TS Infotech 4) Daffodil Software Ltd.

String join() Method

How to Use Java String Class join() Method

Function Description The Java String class join() method is used to concatenate the specified CharSequence arguments together using the specified delimiter. It is a static method and returns a concatenated string. If an argument is passed as a null element, it concatenates the “null” as a string. In String class join() method is defined as…

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String Class in Java

How to Use Java String Class in Java

A String is a sequence of characters like “Greeting”. Java does not have String as an in-built data type, while Java standard library does keep a predefined String class. String class comes under package java.lang. It is the final type of class that is why string is an immutable object which means it is constant…

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Java Data Types

Java Data Types and Variables

In java, To store the value in variables, we need data types. Data type is a kind of data that is used to store a specific type of value. Java is a strongly types language, meaning every variable must have its declaration type since variables are declared as per data types. Once a variable is…

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How to Set Java Environment Variables

How to Set Java Environment Variables

To start Java programming it is required to set up your Java environment properly to compile and run the programs on your system. Environment variables are global system variables that are useful to store system-wide values and accessible by all the processes/users running on Operating System (OS), such as Windows, macOS, and Linux. Java software…

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Introduction to Java Programming Language

Java is an object-oriented class-based easy and secure programming language developed by Sun Microsystems in 1995 and later owned by Oracle Corporation. Java is a platform-independent or we can say cross-platform multi-purpose programming language (cross-platform means can run on any platform). Java is also called WORA (Write Once and Run Anywhere) means Java Source code…

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