Home > Technical Interviews > Computer Science & Engineering > Java Programming > Core Questions and Answers
| 1. | What is the most important feature of Java? |
Java is a platform independent language. |
| 2. | What do you mean by platform independence? |
Platform independence means that we can write and compile the java code in one platform (eg Windows) and can execute the class in any other supported platform eg (Linux,Solaris,etc). |
| 3. | What is a JVM? |
JVM is Java Virtual Machine which is a run time environment for the compiled java class files. |
| 4. | Are JVM's platform independent? |
JVM's are not platform independent. JVM's are platform specific run time implementation provided by the vendor. |
| 5. | What is the difference between a JDK and a JVM? |
JDK is Java Development Kit which is for development purpose and it includes execution environment also. But JVM is purely a run time environment and hence you will not be able to compile your source files using a JVM. |
