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packages

TUSHAR KADAM answered on November 21, 2022 Popularity 10/10 Helpfulness 3/10

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--packages
-mechanism to encapsulate a group of classes,sub-packages and interfaces.
-used for- preventing naming conflicts, same name class in two diff packages.
-easily maintained
-providing controlled access-protected and default have package level access
-e.g. java.lang.package - bundles the fundamental classes
-e.g. java.io.package - bundles classes for input output functions
-is like folder in a file directory
-every package is folder but not every folder is package
-diagram in pdf.
-naming conventions for package- reverse order of domain name i.e. com.masai
-java packages - java.lang,util,awt
-user defined packages - create with package keyword like package mypack;
-instructions to run java package program without IDE ..refer day 07 notes
-sub-packages com.masai.core;
-java static import (not recommended) - import static java.lang.System.*;
    out.println("Hello"); //no need of System.out
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Popularity 10/10 Helpfulness 3/10 Language java

Source: Grepper

Tags: java

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Contributed on Nov 21 2022

TUSHAR KADAM

0 Answers Avg Quality 2/10

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my_packages <- c("tidyverse", "broom", "coefplot", "cowplot",
                 "gapminder", "GGally", "ggrepel", "ggridges", "gridExtra",
                 "here", "interplot", "margins", "maps", "mapproj",
                 "mapdata", "MASS", "quantreg", "rlang", "scales",
                 "survey", "srvyr", "viridis", "viridisLite", "devtools")

install.packages(my_packages, repos = "http://cran.rstudio.com")my

Popularity 8/10 Helpfulness 1/10 Language shell

Source: socviz.co

Tags: shell

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Contributed on Feb 02 2024

Osvaldo Rivera

0 Answers Avg Quality 2/10

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