diff --git a/.gitignore b/.gitignore index 8e9cdc1..6e05012 100644 --- a/.gitignore +++ b/.gitignore @@ -1,136 +1,40 @@ -# Java -*.class -*.jar -*.war -*.ear -*.java -*.javadoc -*.log - -# Maven -target/ -pom.xml.tag -pom.xml.releaseBackup -pom.xml.versionsBackup -pom.xml.next -release.properties - -# Gradle -.gradle/ +.gradle gradle.properties build/ -!gradle-wrapper.jar -.gradle-cache/ -.gradle/buildOutputCleanup/ -*.gradle -gradle-app.setting - -# NodeJS/NPM -node_modules/ -npm-debug.log* -yarn-debug.log* -yarn-error.log* +!gradle/wrapper/gradle-wrapper.jar +!**/src/main/**/build/ +!**/src/test/**/build/ -# JavaScript -*.js -*.js.map -*.mjs -*.cjs - -# IntelliJ IDEA -.idea/ -*.iml +### IntelliJ IDEA ### +.idea *.iws +*.iml +*.ipr out/ -.idea/modules.xml -.idea/workspace.xml -.idea/tasks.xml -.idea/dictionaries -.idea/libraries -.idea/httpRequests -.idea/inspectionProfiles +!**/src/main/**/out/ +!**/src/test/**/out/ -# Eclipse -.project +### Eclipse ### +.apt_generated .classpath -.settings/ +.factorypath +.project +.settings +.springBeans +.sts4-cache bin/ +!**/src/main/**/bin/ +!**/src/test/**/bin/ -# NetBeans -nbproject/private/ -nbbuild/ -dist/ -nbdist/ +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ -# VS Code +### VS Code ### .vscode/ -.vscode/settings.json - -# Selenium Webdriver -selenium-server.log - -# WebdriverIO -errorShots/ -output/ - -# Cucumber -.cucumber/ -reports/cucumber-html-reports/ -reports/cucumber.json - -# TestNG -test-output/ -test-output/testng-results.xml -test-output/junitreports/ - -# Chai -chai-output/ - -# Gson -gson.jar - -# Allure Report -allure-results/ -allure-report/ - -# Extent Report -extent-reports/ -extent-config.xml - -# JMeter -*.jtl -jmeter.log - -# MySQL -mysql-bin* - -# OS-Specific Files -# macOS -.DS_Store -.AppleDouble -.LSOverride - -# Windows -Thumbs.db -Desktop.ini -$RECYCLE.BIN/ -*.lnk - -# Linux -*~ -.cache/ -.config/ -.Trash-* -.nfs* - -# Logs -*.log.* - -# Backup files -*.bak -*.swp -*.swo -*.old -# IDE-specific file backups -*.orig +### Mac OS ### +.DS_Store \ No newline at end of file diff --git a/build.gradle b/build.gradle new file mode 100644 index 0000000..b20a162 --- /dev/null +++ b/build.gradle @@ -0,0 +1,14 @@ +plugins { + id 'java' +} + +group = 'Java' +version = '1.0-SNAPSHOT' + +repositories { + mavenCentral() +} + +dependencies {} + +test {} \ No newline at end of file diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..249e583 Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..0b002b0 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,6 @@ +#Sat Nov 23 20:12:45 BDT 2024 +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.10-bin.zip +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100644 index 0000000..1b6c787 --- /dev/null +++ b/gradlew @@ -0,0 +1,234 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +############################################################################## +# +# Gradle start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit + +APP_NAME="Gradle" +APP_BASE_NAME=${0##*/} + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + +# Collect all arguments for the java command; +# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of +# shell script including quotes and variable substitutions, so put them in +# double quotes to make sure that they get re-expanded; and +# * put everything else in single quotes, so that it's not re-expanded. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + org.gradle.wrapper.GradleWrapperMain \ + "$@" + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..107acd3 --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,89 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem + +@if "%DEBUG%" == "" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%" == "" set DIRNAME=. +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if "%ERRORLEVEL%" == "0" goto execute + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="0" goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/src/main/java/Main.java b/src/main/java/Main.java new file mode 100644 index 0000000..6054a64 --- /dev/null +++ b/src/main/java/Main.java @@ -0,0 +1,5 @@ +public class Main { + public static void main(String[] args) { + + } +} diff --git a/src/main/java/commonDS_01/ArrayList_DS.java b/src/main/java/commonDS_01/ArrayList_DS.java new file mode 100644 index 0000000..52a71f1 --- /dev/null +++ b/src/main/java/commonDS_01/ArrayList_DS.java @@ -0,0 +1,38 @@ +package commonDS_01; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; + +public class ArrayList_DS { + private ArrayList integerArrayList_01; + private ArrayList integerArrayList_02; + private List aSampleList_01; + private List aSampleList_02; + + public ArrayList_DS() { + this.integerArrayList_01 = new ArrayList<>(); + this.integerArrayList_02 = new ArrayList<>(Arrays.asList(5,3153,1,531,351,35,135,1435,1)); + this.aSampleList_01 = Arrays.asList(1, 2, 3, 4, 5); // Not used anywhere + this.aSampleList_02 = new ArrayList<>(); // Not used anywhere + } + + private void setIntegerArrayList_01() { + for(int i = 0; i < 25; i++) { + this.integerArrayList_01.add(i); + } + } + + /*-------------------------------------------------------------------------------------------------*/ + + public static void main(String[] args) { + ArrayList_DS arrayListDs = new ArrayList_DS(); + + // integerArrayList_01 + arrayListDs.setIntegerArrayList_01(); + System.out.println("The items in the integerArrayList_01 are: "+arrayListDs.integerArrayList_01); + + // integerArrayList_02 + System.out.println("The items in the integerArrayList_02 are: "+arrayListDs.integerArrayList_02); + } +} diff --git a/src/main/java/commonDS_01/Array_DS.java b/src/main/java/commonDS_01/Array_DS.java new file mode 100644 index 0000000..92fcafa --- /dev/null +++ b/src/main/java/commonDS_01/Array_DS.java @@ -0,0 +1,73 @@ +package commonDS_01; + +import java.util.Arrays; + +public class Array_DS { + private Integer[] arrayDS_01; + private Integer[][] twoDArrayDS_01; + private Integer[] arrayDS_02; + private Integer[][] twoDArrayDS_02; + + public Array_DS() { + this.arrayDS_01 = new Integer[5]; + this.twoDArrayDS_01 = new Integer[2][3]; + + this.arrayDS_02 = new Integer[]{15, 5, 435, 3, 13, 51, 535, 54, 3, 514}; + this.twoDArrayDS_02 = new Integer[][]{ + new Integer[]{1, 2, 3, 4}, + new Integer[]{5, 6, 7, 8}, + new Integer[]{9, 10, 11, 12} + }; + } + + private void setArrayDS_01(Integer a, Integer b, Integer c, Integer d, Integer e) { + this.arrayDS_01[0] = a; + this.arrayDS_01[1] = b; + this.arrayDS_01[2] = c; + this.arrayDS_01[3] = d; + this.arrayDS_01[4] = e; + } + + private void setTwoDArrayDS_01(Integer a, Integer b, Integer c, Integer d, Integer e, Integer f) { + this.twoDArrayDS_01[0][0] = a; + this.twoDArrayDS_01[0][1] = b; + this.twoDArrayDS_01[0][2] = c; + this.twoDArrayDS_01[1][0] = d; + this.twoDArrayDS_01[1][1] = e; + this.twoDArrayDS_01[1][2] = f; + } + + /*-------------------------------------------------------------------------------------------------*/ + + public static void main(String[] args) { + Array_DS arrayDs = new Array_DS(); + + // arrayDS_01 + arrayDs.setArrayDS_01(135, 153, 153, 153, 1); + System.out.println("The items in the arrayDS_01 are: " + Arrays.toString(arrayDs.arrayDS_01)); + + // twoDArrayDS_01 + arrayDs.setTwoDArrayDS_01(53, 153, 143, 13, 51, 351); + for (int k = 0; k < arrayDs.twoDArrayDS_01.length; k++) { + Integer[] na_02 = arrayDs.twoDArrayDS_01[k]; + System.out.println("The items in the na_02 are: " + Arrays.toString(na_02)); + + for (int l = 0; l < na_02.length; l++) { + System.out.println("The item in the na_02[l] is: " + na_02[l]); + } + } + + // arrayDS_02 + System.out.println("The items in the arrayDS_02 are: " + Arrays.toString(arrayDs.arrayDS_02)); + + // twoDArrayDS_02 + for (int i = 0; i < arrayDs.twoDArrayDS_02.length; i++) { + Integer[] na_01 = arrayDs.twoDArrayDS_02[i]; + System.out.println("The items in the twoDArrayDS_02[i] are: " + Arrays.toString(na_01)); + + for (int j = 0; j < na_01.length; j++) { + System.out.println("The item in the na_01[j] is: " + na_01[j]); + } + } + } +} diff --git a/src/main/java/commonDS_01/HashMap_DS.java b/src/main/java/commonDS_01/HashMap_DS.java new file mode 100644 index 0000000..a4cb694 --- /dev/null +++ b/src/main/java/commonDS_01/HashMap_DS.java @@ -0,0 +1,49 @@ +package commonDS_01; + +import java.util.HashMap; +import java.util.Map; + +public class HashMap_DS { + private HashMap hashMap_01; + private HashMap hashMap_02; + + public HashMap_DS() { + this.hashMap_01 = new HashMap<>(); + this.hashMap_02 = new HashMap<>(Map.of( + "One",1.0, + "Two",2.0, + "Three",3.0, + "Four",4.0, + "Five",5.0 + )); + } + + private void setHashMap_01() { + for(int i = 0; i < 10; i++) { + this.hashMap_01.put(i, "Value: "+i); + } + } + + public void loopThroughHashMap_01() { + for(Map.Entry entry : this.hashMap_01.entrySet()) { + System.out.println("Key: " + entry.getKey() + ", Value: " + entry.getValue()); + } + } + + /*-------------------------------------------------------------------------------------------------*/ + + public static void main(String[] args) { + HashMap_DS hashMapDs = new HashMap_DS(); + + // hashMap_01 + hashMapDs.setHashMap_01(); + System.out.println("The items in the hashMap_01 are: "+hashMapDs.hashMap_01); + System.out.println("The 4th item is: "+hashMapDs.hashMap_01.get(4)); + + // // hashMap_02 + System.out.println("The items in the hashMap_02 are: "+hashMapDs.hashMap_02); + System.out.println("The 2nd item is: "+hashMapDs.hashMap_02.get("Two")); + + hashMapDs.loopThroughHashMap_01(); + } +} diff --git a/src/main/java/commonDS_01/LinkedList_DS.java b/src/main/java/commonDS_01/LinkedList_DS.java new file mode 100644 index 0000000..24b3436 --- /dev/null +++ b/src/main/java/commonDS_01/LinkedList_DS.java @@ -0,0 +1,40 @@ +package commonDS_01; + +import java.util.Arrays; +import java.util.LinkedList; + +public class LinkedList_DS { + private LinkedList integerLinkedList_01; + private LinkedList integerLinkedList_02; + + public LinkedList_DS() { + this.integerLinkedList_01 = new LinkedList<>(); + this.integerLinkedList_02 = new LinkedList<>(Arrays.asList(351,31,35,153,1,351,531,351,351,352)); + } + + private void setIntegerLinkedList_01() { + for(int i = 0; i < 15; i++) { + // Add items to the list + this.integerLinkedList_01.add(i); + } + + // Remove last item from the list + this.integerLinkedList_01.removeLast(); + + // Add item in the last of the list + this.integerLinkedList_01.addLast(3700); + } + + /*-------------------------------------------------------------------------------------------------*/ + + public static void main(String[] args) { + LinkedList_DS linkedListDs = new LinkedList_DS(); + + // integerLinkedList_01 + linkedListDs.setIntegerLinkedList_01(); + System.out.println("The items in the integerLinkedList_01 are: "+linkedListDs.integerLinkedList_01); + + // integerLinkedList_02 + System.out.println("The items in the integerLinkedList_02 are: "+linkedListDs.integerLinkedList_02); + } +} diff --git a/src/main/java/commonDS_01/Queue_DS.java b/src/main/java/commonDS_01/Queue_DS.java new file mode 100644 index 0000000..b682c2b --- /dev/null +++ b/src/main/java/commonDS_01/Queue_DS.java @@ -0,0 +1,34 @@ +package commonDS_01; + +import java.util.*; +import java.util.stream.Stream; + +public class Queue_DS { + private Queue integerQueue; + + public Queue_DS() { + this.integerQueue = new LinkedList<>(List.of(1, 2, 654, 6, 1465, 151, 35, 135, 1)); + } + + /*-------------------------------------------------------------------------------------------------*/ + + public static void main(String[] args) { + Queue_DS queueDs = new Queue_DS(); + + // integerQueue + queueDs.integerQueue.offer(110); + System.out.println("The items in the integerQueue are: " + queueDs.integerQueue); + + Integer qPeek = queueDs.integerQueue.peek(); + System.out.println("The item from the integerQueue is: " + qPeek); + + queueDs.integerQueue.poll(); + System.out.println("The items in the integerQueue are: " + queueDs.integerQueue); + + Stream sortedQ_01 = queueDs.integerQueue.stream().sorted(); + System.out.println("The sorted integerQueue is now: " + Arrays.toString(sortedQ_01.toArray())); + + Stream reverseSortedQ_01 = queueDs.integerQueue.stream().sorted(Comparator.reverseOrder()); + System.out.println("The reverse sorted integerQueue is now: " + Arrays.toString(reverseSortedQ_01.toArray())); + } +} diff --git a/src/main/java/commonDS_01/Stack_DS.java b/src/main/java/commonDS_01/Stack_DS.java new file mode 100644 index 0000000..d9f6911 --- /dev/null +++ b/src/main/java/commonDS_01/Stack_DS.java @@ -0,0 +1,33 @@ +package commonDS_01; + +import java.util.Stack; + +public class Stack_DS { + private Stack stack_01; + + public Stack_DS() { + this.stack_01 = new Stack<>(); + } + + private void setStack_01() { + for(int i = 0; i < 10; i++) { + this.stack_01.push(i); + } + } + /*-------------------------------------------------------------------------------------------------*/ + + public static void main(String[] args) { + Stack_DS stackDs = new Stack_DS(); + + // stack_01 + stackDs.setStack_01(); + System.out.println("The items in the stack_01 are: "+stackDs.stack_01); + + int stackPeek_01 = stackDs.stack_01.peek(); + System.out.println("The peek from the stack_01 is: "+stackPeek_01); + + stackDs.stack_01.pop(); + int stackPeek_02 = stackDs.stack_01.peek(); + System.out.println("The peek from the stack_01 is: "+stackPeek_02); + } +}