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Java Questions

Java Basics 1. What is the difference between JDK and JRE? 2. What is Java Virtual Machine (JVM)? 3. What are the different types of memory areas allocated by JVM? 4. What is JIT compiler? 5. How Java platform is different from other platforms? 6. Why people say that Java is 'write once and run anywhere' language? 7. How does ClassLoader work in Java? 8. Do you think ‘main’ used for main method is a keyword in Java? 9. Can we write main method as public void static instead of public static void? 10. In Java, if we do not specify any value for local variables, then what will be the default value of the local variables? 11. Let say, we run a java class without passing any arguments. What will be the value of String array of arguments in Main method? 12. What is the difference between byte and char data types in Java? OOPS 13. What are the main principles of Object Oriented Programming? 14. What is the difference between Object Oriented Programming language and Object Based Progr...
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VMWare Interview Questions

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1) Mention what is VMware and what are their benefits? VMware provides different applications and software for virtualization.  VMware products are categorized in two levels, desktop applications, and Server applications.  It is useful for Running multiple operating systems and applications on a single computer Consolidate hardware to get vastly higher productivity form fewer servers Save more than 50% of total cost spend on IT It simplifies IT management and speed up the deployment of new applications 2) Mention what are the different types of virtualization available? Different types of virtualization available are Application virtualization Presentation virtualization Network virtualization Storage virtualization 3) Mention what are the different types of server software does VMware provides? VMware provides three different types of server software VMware ESX Server VMware ESXi Server VMware Server 4) Explain what is hypervisor? Hyper...
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