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CORE CONCEPTS IN COMPUTER SCIENCE - JAVA PROGRAMMING
Java is a general-purpose computer-programming language. It is concurrent, class-based and object-oriented. Java was specifically designed to have the least number of implementation dependencies. Java is designed to allow application developers to "write once, execute anywhere" (WORA), meaning that Java code can be run on any platform that supports Java without the need to recompile. Java applications are usually compiled to bytecode, which can be run on any Java virtual machines (JVM), regardless of the computer architecture. Java is a popular programming language, especially for client-server web applications. It has been reported to have 9 million developers. Java was developed originally by James Gosling of Sun Microsystems, which has since been acquired and released as a core component to Sun Microsystems' Java platform in 1995. Although it borrows a lot of its syntax from C++ and C++, the language has less low-level features than either one.
OVERVIEW OF JAVA
Sun Microsystems has developed Java, a high-level programming language that is general in purpose. A small group of engineers called the Green Team created the Java programming language. They initiated it in 1991. OAK was the original name of the Java programming language. It was initially intended for set-top boxes and handheld devices. Oak failed, and Sun changed its name to Java in 1995 to better reflect the growing popularity of the World Wide Web.
Sun Microsystems was the original developer of Java programming language. James Gosling initiated it and released it in 1995 as a core component of Sun Microsystems Java platform (Java 1.0 [J2SE]). Java SE 8 is the latest Java Standard Edition release. Multiple configurations have been created to fit different platforms and the advances in Java. J2EE is for Enterprise Applications and J2ME is for Mobile Applications.
JAVA SECURITY
There are many features that can be used to improve security in Java applications. The Java Virtual Machine (JVM) enforces runtime restrictions and protects Java applications from untrusted code. It also provides a security manager that sandboxes the rest of Java's operating system. Java developers have access to a variety of security APIs.
Security was a key focus of the Java platform. The Java language is type-safe, and automatically collects garbage, which enhances the security of the application code. Only legitimate Java code can be executed by using a secure class loading mechanism and verification mechanism.
Java platform's initial release created a safe environment to run potentially untrusted code such as Java applets that were downloaded from a public internet. The Java security architecture has evolved to accommodate an increasing number of services as the platform has expanded and expanded its deployment options. The architecture today includes many application programming interfaces (APIs), tools and implementations of common security algorithms, mechanisms and protocols. This gives the developer a complete security framework to write applications and provides administrators with tools to secure manage their applications.
WORKING WITH JAVA
It is important to know where Java programming is supposed to run. Some programs can only be run on your computer. Some programs can be run on a website. Applications are Java programs that run on your computer. Applets are programs that run on websites. Although there are some caveats to this claim, Java is a flexible and powerful language that can be used on many platforms. Versions of Java's virtual machine can be used on many electronic systems today, including smartphones and computers.
OVERVIEW OF JAVA
Sun Microsystems has developed Java, a high-level programming language that is general in purpose. A small group of engineers called the Green Team created the Java programming language. They initiated it in 1991. OAK was the original name of the Java programming language. It was initially intended for set-top boxes and handheld devices. Oak failed, and Sun changed its name to Java in 1995 to better reflect the growing popularity of the World Wide Web.
Sun Microsystems was the original developer of Java programming language. James Gosling initiated it and released it in 1995 as a core component of Sun Microsystems Java platform (Java 1.0 [J2SE]). Java SE 8 is the latest Java Standard Edition release. Multiple configurations have been created to fit different platforms and the advances in Java. J2EE is for Enterprise Applications and J2ME is for Mobile Applications.
JAVA SECURITY
There are many features that can be used to improve security in Java applications. The Java Virtual Machine (JVM) enforces runtime restrictions and protects Java applications from untrusted code. It also provides a security manager that sandboxes the rest of Java's operating system. Java developers have access to a variety of security APIs.
Security was a key focus of the Java platform. The Java language is type-safe, and automatically collects garbage, which enhances the security of the application code. Only legitimate Java code can be executed by using a secure class loading mechanism and verification mechanism.
Java platform's initial release created a safe environment to run potentially untrusted code such as Java applets that were downloaded from a public internet. The Java security architecture has evolved to accommodate an increasing number of services as the platform has expanded and expanded its deployment options. The architecture today includes many application programming interfaces (APIs), tools and implementations of common security algorithms, mechanisms and protocols. This gives the developer a complete security framework to write applications and provides administrators with tools to secure manage their applications.
WORKING WITH JAVA
It is important to know where Java programming is supposed to run. Some programs can only be run on your computer. Some programs can be run on a website. Applications are Java programs that run on your computer. Applets are programs that run on websites. Although there are some caveats to this claim, Java is a flexible and powerful language that can be used on many platforms. Versions of Java's virtual machine can be used on many electronic systems today, including smartphones and computers.
Kindle Edition
Published October 11, 2021
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