Can I run my PC without Java?

Without the bare minimum requirement of a JRE, you cannot run any Java program. You would need a hack-around it. You would first need to wrap your java code into any other language of your choice. Like python or c++ .

Can Java run on any machine what is needed to run Java on a computer?

Answer: Java can run on any machine with a JVM. JVM(Java Virtual Machine) acts as a run-time engine to run Java applications. JVM is a part of the JRE(Java Runtime Environment).

Can all computers run Java?

The machine language for the Java virtual machine is called Java bytecode. And the same Java bytecode program can be run on any computer that has such an interpreter. This is one of the essential features of Java: the same compiled program can be run on many different types of computers.

What devices can Java run on?

Java for mobile devices relies on the Java Platform, Micro Edition (Java ME), which provides a robust, flexible environment for applications running on mobile and other embedded devices: mobile phones, personal digital assistants (PDAs), TV set-top boxes, and printers.

Is Java really write once run anywhere?

Java applications are called WORA (Write Once Run Anywhere). This means a programmer can develop Java code on one system and can expect it to run on any other Java-enabled system without any adjustment. This is all possible because of JVM.

Why Java is required in the system?

It was designed to have the “look and feel” of the C++ programming language, but it is simpler to use than C++ and enforces an object-oriented programming model. ‘ ‘Java can be used to create complete applications that may run on a single computer or be distributed among servers and clients in a network.

Is it possible to execute Java program without JDK?

Answer Wiki. Yes, you can execute Java program with out JDK. But to do that you need JVM. JDK is basically used to compile your code. Once you have .class file of your .java program you don’t need JDK. You simply run your code with JVM.

Is it possible to compile and run a Java program in Java?

yes it is possible , Because to run the program we only need JRE ( java Runtime Environment) . But To develop java program and Compile it we need different tools like javac jar etc which are provided in JDK (Java Development KIT) Every Jdk interally have JRE.

What is the use of JDK in Java?

JDK is basically used to compile your code. Once you have .class file of your .java program you don’t need JDK. You simply run your code with JVM. javac MyProgram.java (Used to compile code and need JDK which generated .class file you can delete .java file if you don’t need to edit the code)

Can I install a JRE file without a JDK/SDK?

A JRE is runtime environment for such a file, which it depends on. Without any kind of java runtime environment, you cannot. However though, there are lot of environments that already have it, so you don’t necessarily have to separately install it. JDK/SDK is not needed.