diff --git a/.gitignore b/.gitignore index c2e8de74cd57..7a55c439f20d 100644 --- a/.gitignore +++ b/.gitignore @@ -2,3 +2,6 @@ Java.iml .idea/* out/ *.iml +.gradle +target +build diff --git a/build.gradle b/build.gradle new file mode 100644 index 000000000000..eeebf86c82a9 --- /dev/null +++ b/build.gradle @@ -0,0 +1,19 @@ +plugins { + id 'java' +} + +repositories { + mavenLocal() + maven { + url = 'http://repo.maven.apache.org/maven2' + } +} + +dependencies { + testCompile 'org.junit.jupiter:junit-jupiter-api:5.5.0' +} + +group = 'algorithm' +version = '1.0-SNAPSHOT' +description = 'java-algorithm' +sourceCompatibility = '1.8' \ 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 000000000000..87b738cbd051 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 000000000000..44e7c4d1d7bb --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,5 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-5.2.1-bin.zip +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100755 index 000000000000..af6708ff229f --- /dev/null +++ b/gradlew @@ -0,0 +1,172 @@ +#!/usr/bin/env sh + +############################################################################## +## +## Gradle start up script for UN*X +## +############################################################################## + +# Attempt to set APP_HOME +# Resolve links: $0 may be a link +PRG="$0" +# Need this for relative symlinks. +while [ -h "$PRG" ] ; do + ls=`ls -ld "$PRG"` + link=`expr "$ls" : '.*-> \(.*\)$'` + if expr "$link" : '/.*' > /dev/null; then + PRG="$link" + else + PRG=`dirname "$PRG"`"/$link" + fi +done +SAVED="`pwd`" +cd "`dirname \"$PRG\"`/" >/dev/null +APP_HOME="`pwd -P`" +cd "$SAVED" >/dev/null + +APP_NAME="Gradle" +APP_BASE_NAME=`basename "$0"` + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m"' + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD="maximum" + +warn () { + echo "$*" +} + +die () { + echo + echo "$*" + echo + exit 1 +} + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "`uname`" in + CYGWIN* ) + cygwin=true + ;; + Darwin* ) + darwin=true + ;; + MINGW* ) + msys=true + ;; + NONSTOP* ) + nonstop=true + ;; +esac + +CLASSPATH=$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" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then + MAX_FD_LIMIT=`ulimit -H -n` + if [ $? -eq 0 ] ; then + if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then + MAX_FD="$MAX_FD_LIMIT" + fi + ulimit -n $MAX_FD + if [ $? -ne 0 ] ; then + warn "Could not set maximum file descriptor limit: $MAX_FD" + fi + else + warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" + fi +fi + +# For Darwin, add options to specify how the application appears in the dock +if $darwin; then + GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" +fi + +# For Cygwin, switch paths to Windows format before running java +if $cygwin ; then + APP_HOME=`cygpath --path --mixed "$APP_HOME"` + CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` + JAVACMD=`cygpath --unix "$JAVACMD"` + + # We build the pattern for arguments to be converted via cygpath + ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` + SEP="" + for dir in $ROOTDIRSRAW ; do + ROOTDIRS="$ROOTDIRS$SEP$dir" + SEP="|" + done + OURCYGPATTERN="(^($ROOTDIRS))" + # Add a user-defined pattern to the cygpath arguments + if [ "$GRADLE_CYGPATTERN" != "" ] ; then + OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" + fi + # Now convert the arguments - kludge to limit ourselves to /bin/sh + i=0 + for arg in "$@" ; do + CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` + CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option + + if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition + eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` + else + eval `echo args$i`="\"$arg\"" + fi + i=$((i+1)) + done + case $i in + (0) set -- ;; + (1) set -- "$args0" ;; + (2) set -- "$args0" "$args1" ;; + (3) set -- "$args0" "$args1" "$args2" ;; + (4) set -- "$args0" "$args1" "$args2" "$args3" ;; + (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; + (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; + (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; + (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; + (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; + esac +fi + +# Escape application args +save () { + for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done + echo " " +} +APP_ARGS=$(save "$@") + +# Collect all arguments for the java command, following the shell quoting and substitution rules +eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" + +# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong +if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then + cd "$(dirname "$0")" +fi + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 000000000000..0f8d5937c4ad --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,84 @@ +@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 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" + +@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 init + +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 init + +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 + +:init +@rem Get command-line arguments, handling Windows variants + +if not "%OS%" == "Windows_NT" goto win9xME_args + +:win9xME_args +@rem Slurp the command line arguments. +set CMD_LINE_ARGS= +set _SKIP=2 + +:win9xME_args_slurp +if "x%~1" == "x" goto execute + +set CMD_LINE_ARGS=%* + +: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 %CMD_LINE_ARGS% + +: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/pom.xml b/pom.xml deleted file mode 100644 index 4bba7c6d43db..000000000000 --- a/pom.xml +++ /dev/null @@ -1,64 +0,0 @@ - - - 4.0.0 - - algorithm - java-algorithm - 1.0-SNAPSHOT - java-algorithm - All algorithms implemented in Java (for education) - - - UTF-8 - 3.1.0 - 3.8.0 - - 1.8 - UTF-8 - - 5.5.0 - - - - - org.junit.jupiter - junit-jupiter-api - ${junit-jupiter-api.version} - test - - - - - - - org.apache.maven.plugins - maven-resources-plugin - ${resources.plugin.version} - - ${file.encoding} - - - - org.apache.maven.plugins - maven-compiler-plugin - ${compiler.plugin.version} - - ${java.version} - ${java.version} - ${file.encoding} - - - - - - - src/main/resources - - - src/test/resources - - - - diff --git a/settings.gradle b/settings.gradle new file mode 100644 index 000000000000..12387fffa502 --- /dev/null +++ b/settings.gradle @@ -0,0 +1,5 @@ +/* + * This file was generated by the Gradle 'init' task. + */ + +rootProject.name = 'java-algorithm' diff --git a/src/main/java/com/designpatterns/creational/factory/PolygonFactory.java b/src/main/java/com/designpatterns/creational/factory/PolygonFactory.java index bccaa6ca3eb6..da184df3d648 100644 --- a/src/main/java/com/designpatterns/creational/factory/PolygonFactory.java +++ b/src/main/java/com/designpatterns/creational/factory/PolygonFactory.java @@ -3,8 +3,8 @@ /** * In class-based programming, the factory method pattern is a creational pattern that uses factory methods to deal * with the problem of creating objects without having to specify the exact class of the object that will be created. - * This is done by creating objects by calling a factory method—either specified in an interface and implemented by - * child classes, or implemented in a base class and optionally overridden by derived classes—rather than by calling + * This is done by creating objects by calling a factory method-either specified in an interface and implemented by + * child classes, or implemented in a base class and optionally overridden by derived classes-rather than by calling * a constructor. * * @see Factory Pattern diff --git a/src/main/java/com/designpatterns/structural/adapter/MovableAdapter.java b/src/main/java/com/designpatterns/structural/adapter/MovableAdapter.java index b3c496460dcb..15aa58368244 100644 --- a/src/main/java/com/designpatterns/structural/adapter/MovableAdapter.java +++ b/src/main/java/com/designpatterns/structural/adapter/MovableAdapter.java @@ -2,11 +2,11 @@ /** * An Adapter pattern acts as a connector between two incompatible interfaces that otherwise cannot be connected - * directly. An Adapter wraps an existing class with a new interface so that it becomes compatible with the client’s + * directly. An Adapter wraps an existing class with a new interface so that it becomes compatible with the client's * interface. *
* The main motive behind using this pattern is to convert an existing interface into another interface that the client - * expects. It’s usually implemented once the application is designed. + * expects. It's usually implemented once the application is designed. * * @see Adapter Pattern */ diff --git a/src/main/java/com/sorts/PigeonholeSort.java b/src/main/java/com/sorts/PigeonholeSort.java index 8080b587ea6d..8e2a14905986 100644 --- a/src/main/java/com/sorts/PigeonholeSort.java +++ b/src/main/java/com/sorts/PigeonholeSort.java @@ -8,7 +8,7 @@ public class PigeonholeSort { * Pigeonhole sorting is a sorting algorithms that is suitable for sorting lists of elements where the number * of elements and the number of possible key values are approximately the same. *

- * It requires O(n + Range) time where n is number of elements in input array and ‘Range’ is number of possible + * It requires O(n + Range) time where n is number of elements in input array and 'Range' is number of possible * values in array. * * @param arr The array to be sorted