diff --git a/java-lotto/.gitignore b/java-lotto/.gitignore new file mode 100644 index 00000000000..b63da4551b2 --- /dev/null +++ b/java-lotto/.gitignore @@ -0,0 +1,42 @@ +.gradle +build/ +!gradle/wrapper/gradle-wrapper.jar +!**/src/main/**/build/ +!**/src/test/**/build/ + +### IntelliJ IDEA ### +.idea/modules.xml +.idea/jarRepositories.xml +.idea/compiler.xml +.idea/libraries/ +*.iws +*.iml +*.ipr +out/ +!**/src/main/**/out/ +!**/src/test/**/out/ + +### Eclipse ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache +bin/ +!**/src/main/**/bin/ +!**/src/test/**/bin/ + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ + +### VS Code ### +.vscode/ + +### Mac OS ### +.DS_Store \ No newline at end of file diff --git a/java-lotto/build.gradle.kts b/java-lotto/build.gradle.kts new file mode 100644 index 00000000000..3d4a5cdc30d --- /dev/null +++ b/java-lotto/build.gradle.kts @@ -0,0 +1,25 @@ +plugins { + id("java") +} + +group = "org.example" +version = "1.0-SNAPSHOT" + +repositories { + mavenCentral() +} + +dependencies { + testImplementation(platform("org.junit:junit-bom:5.10.0")) + testImplementation("org.junit.jupiter:junit-jupiter") + testImplementation("org.junit.jupiter:junit-jupiter-api:5.10.0") + testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.10.0") + testImplementation("org.junit.jupiter:junit-jupiter-api:5.8.2") + testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.8.2") + testImplementation("org.assertj:assertj-core:3.24.2") + testImplementation("org.junit.jupiter:junit-jupiter:5.9.2") +} + +tasks.test { + useJUnitPlatform() +} \ No newline at end of file diff --git a/java-lotto/gradle/wrapper/gradle-wrapper.jar b/java-lotto/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 00000000000..249e5832f09 Binary files /dev/null and b/java-lotto/gradle/wrapper/gradle-wrapper.jar differ diff --git a/java-lotto/gradle/wrapper/gradle-wrapper.properties b/java-lotto/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 00000000000..08b2255f937 --- /dev/null +++ b/java-lotto/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,6 @@ +#Wed Apr 02 16:19:14 KST 2025 +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/java-lotto/gradlew b/java-lotto/gradlew new file mode 100644 index 00000000000..1b6c787337f --- /dev/null +++ b/java-lotto/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/java-lotto/gradlew.bat b/java-lotto/gradlew.bat new file mode 100644 index 00000000000..107acd32c4e --- /dev/null +++ b/java-lotto/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/java-lotto/settings.gradle.kts b/java-lotto/settings.gradle.kts new file mode 100644 index 00000000000..ac1ebb8599c --- /dev/null +++ b/java-lotto/settings.gradle.kts @@ -0,0 +1,2 @@ +rootProject.name = "java-lotto" + diff --git a/java-lotto/src/main/java/domain/LottoGame.java b/java-lotto/src/main/java/domain/LottoGame.java new file mode 100644 index 00000000000..cbb289f0b37 --- /dev/null +++ b/java-lotto/src/main/java/domain/LottoGame.java @@ -0,0 +1,21 @@ +package domain; + + +import ui.OutputView; +import ui.InputView; +import ui.StringCalculator; + + +public class LottoGame { + + public static void main(String[] args) { + + StringCalculator calculator = new StringCalculator(new InputView(), new OutputView()); + String input = ""; + input = calculator.inputView.getInput(); + calculator.inputView.validateInput(input); + int result = calculator.calculate(input); + calculator.outputView.printOutput(result); + + } +} diff --git a/java-lotto/src/main/java/domain/Operand.java b/java-lotto/src/main/java/domain/Operand.java new file mode 100644 index 00000000000..667c1be5cf9 --- /dev/null +++ b/java-lotto/src/main/java/domain/Operand.java @@ -0,0 +1,15 @@ +package domain; + + +public class Operand { + private final int number; + + public Operand(int number) { + this.number = number; + } + + public int getNumber() { + return number; + } + +} diff --git a/java-lotto/src/main/java/domain/Operator.java b/java-lotto/src/main/java/domain/Operator.java new file mode 100644 index 00000000000..6be479a313c --- /dev/null +++ b/java-lotto/src/main/java/domain/Operator.java @@ -0,0 +1,41 @@ +package domain; + +import java.util.Arrays; +import java.util.function.BiFunction; + +public enum Operator { + + ADD("+", (a, b) -> a + b), + + SUBTRACT("-", (a, b) -> a - b), + + MULTIPLY("*", (a, b) -> a * b), + + DIVIDE("/", (a, b) -> { + if (b == 0) + { + throw new ArithmeticException("0으로 나눌 수 없습니다."); + } + return a / b; + }); + + private final String symbol; + private final BiFunction operate; + + Operator(String symbol, BiFunction operate) { + this.symbol = symbol; + this.operate = operate; + } + + public int operate(int first, int second) { + return operate.apply(first, second); + } + + public static Operator fromSymbol(String symbol) { + return Arrays.stream(values()) + .filter(op -> op.symbol.equals(symbol)) + .findFirst() + .orElseThrow(() -> new IllegalArgumentException("사용할 수 없는 연산자 입니다 : " + symbol)); + } + +} diff --git a/java-lotto/src/main/java/ui/InputView.java b/java-lotto/src/main/java/ui/InputView.java new file mode 100644 index 00000000000..8bc50cce2a7 --- /dev/null +++ b/java-lotto/src/main/java/ui/InputView.java @@ -0,0 +1,32 @@ +package ui; + +import java.util.Scanner; + +public class InputView { + private static final String INPUT_MESSAGE = "Please input string:"; + + public String[] readAndSplitInput(String input) { + return splitString(input); + } + + public String getInput() { + System.out.println(INPUT_MESSAGE); + Scanner sc = new Scanner(System.in); + String input = sc.nextLine(); + sc.close(); + return input; + } + + public void validateInput(String input) { + if (input == null || input.isBlank()) { + throw new IllegalArgumentException("입력 값이 null 이거나 빈 문자열 입니다."); + } + } + + public String[] splitString(String input) { + return input.trim() + .split("\\s+"); + } + +} + diff --git a/java-lotto/src/main/java/ui/OutputView.java b/java-lotto/src/main/java/ui/OutputView.java new file mode 100644 index 00000000000..8abaf3a3fa2 --- /dev/null +++ b/java-lotto/src/main/java/ui/OutputView.java @@ -0,0 +1,10 @@ +package ui; + +public class OutputView { + private static final String OUTPUT_MESSAGE = "output: %d"; + + public void printOutput(int output) { + System.out.printf(OUTPUT_MESSAGE + "%n", output); + } +} + diff --git a/java-lotto/src/main/java/ui/StringCalculator.java b/java-lotto/src/main/java/ui/StringCalculator.java new file mode 100644 index 00000000000..edecae1b82c --- /dev/null +++ b/java-lotto/src/main/java/ui/StringCalculator.java @@ -0,0 +1,33 @@ +package ui; + +import domain.Operand; +import domain.Operator; + +public class StringCalculator { + public final InputView inputView; + public final OutputView outputView; + Operator operator; + + public StringCalculator(InputView inputView, OutputView outputView) { + this.inputView = inputView; + this.outputView = outputView; + } + public int calculate(String input) { + String[] tokens = inputView.readAndSplitInput(input); + return evaluate(tokens); + } + + private int evaluate(String[] tokens) { + int result = Integer.parseInt(tokens[0]); + for (int i = 1; i < tokens.length; i += 2) { + Operator operator = Operator.fromSymbol(tokens[i]); + Operand operand = new Operand(Integer.parseInt(tokens[i + 1])); + result = applyOperation(result, operator, operand); + } + return result; + } + + private int applyOperation(int left, Operator operator, Operand operand) { + return operator.operate(left, operand.getNumber()); + } +} \ No newline at end of file diff --git a/java-lotto/src/test/java/StringCalculatorTest.java b/java-lotto/src/test/java/StringCalculatorTest.java new file mode 100644 index 00000000000..f8891825d13 --- /dev/null +++ b/java-lotto/src/test/java/StringCalculatorTest.java @@ -0,0 +1,60 @@ + +import org.junit.jupiter.api.Test; +import ui.InputView; +import ui.OutputView; +import ui.StringCalculator; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +public class StringCalculatorTest { + StringCalculator calculator = new StringCalculator(new InputView(), new OutputView()); + String input =""; + int result = 0; + + @Test + public void 덧셈테스트() { + input = "1 + 2 + 3"; + calculator.inputView.validateInput(input); + result = calculator.calculate(input); + calculator.outputView.printOutput(result); + assertEquals(6, result); + } + + @Test + public void 뺄셈테스트() { + input = "8 - 2 - 3"; + calculator.inputView.validateInput(input); + result = calculator.calculate(input); + calculator.outputView.printOutput(result); + assertEquals(3, result); + } + + @Test + public void 곱셈테스트() { + input = "5 * 2"; + calculator.inputView.validateInput(input); + result = calculator.calculate(input); + calculator.outputView.printOutput(result); + assertEquals(10, result); + } + + @Test + public void 나눗셈테스트() { + input = "8 / 2"; + calculator.inputView.validateInput(input); + result = calculator.calculate(input); + calculator.outputView.printOutput(result); + assertEquals(4, result); + } + + @Test + public void 연산순서테스트() { + input = "3 + 2 * 4"; + calculator.inputView.validateInput(input); + result = calculator.calculate(input); + calculator.outputView.printOutput(result); + assertEquals(20, result); + } + + +}