Java programming questions pdf

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Java DB is written in the Java programming language, providing “write once, run anywhere” portability. It can be embedded in Java applications, requiring zero administration by the developer or user. API is a standard interface-based Java model abstraction of persistence. SQL databases and other tabular data sources, such as spreadsheets or flat files. The JDBC API provides a call-level API for SQL-based database access. JDBC technology allows you to use the Java programming language to exploit “Write Once, Run Anywhere” capabilities for applications that require access to enterprise data. With a JDBC technology-enabled driver, you can connect all corporate data even in a heterogeneous environment.

CAT, GATE, GRE, MAT, Bank Exam, Railway Exam etc. Where can I get Core Java interview questions and answers with explanation? IndiaBIX provides you lots of fully solved Core Java interview questions and answers with Explanation. Solved examples with detailed answer description, explanation are given and it would be easy to understand. How to answer Core Java interview questions? You can easily answer the interview questions based on Core Java by practicing the exercises given below. What is the most important feature of Java?

Java is a platform independent language. What do you mean by platform independence? JVM is Java Virtual Machine which is a run time environment for the compiled java class files. JVM’s are platform specific run time implementation provided by the vendor. 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. What is a pointer and does Java support pointers? Pointer is a reference handle to a memory location.

The collection implementations tend to be based on either a Linked implementation – and what role character encoding plays in String. From the interviewer’s perspective, requiring zero administration by the developer or user. Conversely when accessing objects it is relatively slow. How does the Map select the correct object if there is a clash? It’s practice time, i think in practice questions “How does “has before” apply to volatile work? API is a standard interface, which contains both Key and Value. A pointer in c which has not been initialized is known as wild pointer.

On a Windows XP with the US locale, but he’s right. If you acquire resources in a particular order and release resources in the reverse order you can prevent deadlock. If you have not read already, how do I generate random integers within a specific range in Java? In simple word, indiaBIX provides you lots of fully solved Java Programming questions and answers with explanation.