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Mukesh Kumar
Mukesh Kumar
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Mukesh Kumar

Studied BCA at Patna Science College (Id: C-22858)
Live in South West Delhi,India, Delhi
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I am a sr. software developer

04 Aug 2021 03:04 PM study24x7 study24x7

Java 9 new features :- The defining feature for Java 9 is an all-new module system. When codebases grow larger, the odds of creating complicated, tangled “spaghetti code” increase exponentially. There are two fundamental problems: It is hard to truly encapsulate code, and there is no notion of explicit dependencies between different parts (JAR files) of a system. Every public class can be accessed by any other public class on the classpath, leading to inadvertent usage of classes that weren't meant to be public API. Furthermore, the classpath itself is problematic: How do you know whether all the required JARs are there, or if there are duplicate entries? The module system addresses both issues. Modular JAR files contain an additional module descriptor. In this module descriptor, dependencies on other modules are expressed through`requires` statements. Additionally, `exports` statements control which packages are accessible to other modules. All non-exported packages are encapsulated in the module by default. Here's an example of a module descriptor, which lives in `module-info.java`:

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06 Jul 2021 02:46 PM study24x7 study24x7
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    16 Jun 2021 10:40 AM study24x7 study24x7
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    15 Jun 2021 08:23 PM study24x7 study24x7
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    19 Apr 2021 05:59 PM study24x7 study24x7

    What is redis ?

    A

    RDBMS

    B

    NOSQL DB

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    04 Sep 2020 06:28 AM study24x7 study24x7

    We should learn everyday?

    A

    true

    B

    false

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    08 Mar 2021 12:28 PM study24x7 study24x7

    Docker commands

    Docker commands
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    04 Dec 2020 01:03 AM study24x7 study24x7

    What is Cassandra ? Apache Cassandra is a highly scalable, high-performance distributed database designed to handle large amounts of data across many commodity servers, providing high availability with no single point of failure. It is a type of NoSQL database. Let us first understand what a NoSQL database does.

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    Mukesh Kumar shared post from Mathematics Class 10th

    28 Sep 2020 08:29 AM study24x7 study24x7

    It is possible that two straight lines are non parallel, non overlaping and non intersecting.

    A

    true

    B

    false

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