Category: JAVA
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Variables,datatype and primitive data type
Overview: Let discuss about variables and it’s types,data types and it’s type.Primitive data type Variables: A variable is a container which holds the value while the user executed. A variable is assigned with a data type. Variable is a name of memory location. That is variable is the name of a reserved area allocated in memory.…
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object and class
Overview: Let us discuss about object, class in java and the errors of program. What is an Object in Java? The following concepts of the java objects: What is class? A class is a user defined blueprint or prototype or template from which objects are created. It represents the set of properties or methods that…
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Java and its features
Overview: let us disscuss about java language,features and its disadvantage. What is Java? Java is a general-purpose, class-based, object-oriented programming language designed for having lesser implementation dependencies. It is a computing platform for application development. Java is fast, secure, and reliable, therefore. It is widely used for developing Java applications in laptops, data centers, game consoles,…
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sudo & apt
What is the sudo ? Sudo stands for “superuser do” and is the master key.The sudo command allows you to run programs with the security offers of another user (by superuser). It request to the user for personal password and confirms and request to execute a command by checking a file, called sudoers, which the system administrator configures.…
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FREE SOFTWARE
overview: In this we discuss about free software, open-soure, Linux and free software founder What is the free software? “Free software” means software that gives freedom to users ,such that the users have the freedom to run, copy, distribute, study, change and improve the software. Thus, “free software” is a freedom usage of software, not price.…
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