Java is cross platform in the sense that a compiled Java program runs on all platforms for which there exists a JVM. (This holds for all major operating systems, including Windows, Mac OS and Linux.)
Can Java run on any OS?
byte code makes java as an platform independent language. Java is platform independent but JVM is platform depenedent. Java is platform independent because it can run in any operating system.
Can Java run on any CPU or operating system?
It doesn’t require any operating system to run Java because it literally is a JVM running on “bare metal”. Yes and no, depending on how you look at it. Yes, you can run JVM without Windows or Linux.
Is Java compiler same for all OS?
The java compiler generates byte code which is a file with “. class” extension and it will be fed into java virtual machine which converts that byte code into corresponding machine code respective to operating system. All java compilers are similar, the only thing that differs from OS to OS is java virtual machine.
Can Java run without operating system?
1 Answer. Factually we can have jvm without OS. … Oracle has resuscitated avant-garde virtualization technology: a Java Virtual Machine that runs directly on the hypervisor, without an operating system.
What can Java run on?
Because the Java VM is available on many different operating systems, the same . class files are capable of running on Microsoft Windows, the Solaris™ Operating System (Solaris OS), Linux, or Mac OS.
Is the JVM an OS?
JVM places itself between the bytecode and the underlying platform. The platform comprises the operating system (OS) and the hardware. … This means that, although the product of Java compiler may be platform independent, JVM is platform specific.
Can Java run on Windows 7?
Windows 7, Vista
Click on the Start button and then click on the Control Panel option. In the Control Panel Search enter Java Control Panel. Click on the Java icon to open the Java Control Panel.
How safe is Java?
Java is often cited as the most secure programming language. Is it really? As with other aspects of cybersecurity, the level of programming language security depends on what we mean by “secure.” It’s true that Java has fewer identified vulnerabilities than some other commonly used languages.
Why pointers are not used in Java?
Some reasons for Java does not support Pointers:
Java has a robust security model and disallows pointer arithmetic for the same reason. … No pointer support make Java more secure because they point to memory location or used for memory management that loses the security as we use them directly.
Are compilers OS specific?
Not all compiler systems separate the compiler from the linker — if it’s one program, than it would be OS-specific. However, there are OS/machine independent compilers: most notably Java (and other JVM-based languages, such as Scala or Groovy).
Is compiler dependent on OS?
Compilers as programs running on a computer are OS dependent like any other program.
How do you comment in Java?
Style. By convention, in Java, documentation comments are set inside the comment delimiters /** … */ with one comment per class, interface, or member. The comment should appear right before the declaration of the class, interface or member and each line of the comment should begin with a “*”.