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*: add SourceException, SourceFormat
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‎.gitignore‎

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# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and WebStorm
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# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
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# User-specific stuff
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.idea/**/workspace.xml
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.idea/**/tasks.xml
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.idea/**/usage.statistics.xml
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.idea/**/dictionaries
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.idea/**/shelf
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# Generated files
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.idea/**/contentModel.xml
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# Sensitive or high-churn files
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.idea/**/dataSources/
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.idea/**/dataSources.ids
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.idea/**/dataSources.local.xml
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.idea/**/sqlDataSources.xml
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.idea/**/dynamic.xml
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.idea/**/uiDesigner.xml
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.idea/**/dbnavigator.xml
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# Gradle
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.idea/**/gradle.xml
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.idea/**/libraries
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# Gradle and Maven with auto-import
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# When using Gradle or Maven with auto-import, you should exclude module files,
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# since they will be recreated, and may cause churn. Uncomment if using
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# auto-import.
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# .idea/modules.xml
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# .idea/*.iml
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# .idea/modules
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# CMake
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cmake-build-*/
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# Mongo Explorer plugin
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.idea/**/mongoSettings.xml
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# File-based project format
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*.iws
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# IntelliJ
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out/
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# mpeltonen/sbt-idea plugin
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.idea_modules/
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# JIRA plugin
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atlassian-ide-plugin.xml
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# Cursive Clojure plugin
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.idea/replstate.xml
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# Crashlytics plugin (for Android Studio and IntelliJ)
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com_crashlytics_export_strings.xml
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crashlytics.properties
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crashlytics-build.properties
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fabric.properties
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# Editor-based Rest Client
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.idea/httpRequests
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# Android studio 3.1+ serialized cache file
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.idea/caches/build_file_checksums.ser
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# Compiled class file
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*.class
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# Log file
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*.log
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# BlueJ files
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*.ctxt
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# Mobile Tools for Java (J2ME)
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.mtj.tmp/
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# Package Files #
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*.jar
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*.war
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*.nar
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*.ear
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*.zip
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*.tar.gz
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*.rar
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# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
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hs_err_pid*
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# for myself
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target/
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.idea/

‎JavaIntelligence.iml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<module type="JAVA_MODULE" version="4" />

‎README.md‎

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# JavaIntelligence

‎pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>org.hacksource</groupId>
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<artifactId>JavaIntelligence</artifactId>
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<version>1.0-SNAPSHOT</version>
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<developers>
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<developer>
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<name>Pragma Twice</name>
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<email>i@twice.moe</email>
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<url>https://github.com/PragmaTwice</url>
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<id>PragmaTwice</id>
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</developer>
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</developers>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<configuration>
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<source>8</source>
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<target>8</target>
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</configuration>
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</plugin>
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</plugins>
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</build>
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<dependencies>
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<dependency>
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<groupId>com.github.javaparser</groupId>
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<artifactId>javaparser-symbol-solver-core</artifactId>
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<version>3.7.1</version>
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</dependency>
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</dependencies>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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</project>

‎src/main/java/org/hacksource/core/SourceException.java‎

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package org.hacksource.core;
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import com.github.javaparser.Problem;
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import java.util.List;
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public class SourceException extends Exception {
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private List<Problem> problems;
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SourceException(List<Problem> problem) {
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problems = problem;
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}
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public List<Problem> getProblems() {
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return problems;
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}
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}

‎src/main/java/org/hacksource/core/SourceFormat.java‎

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package org.hacksource.core;
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import com.github.javaparser.JavaParser;
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import com.github.javaparser.ParseResult;
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import com.github.javaparser.ast.CompilationUnit;
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import com.github.javaparser.ast.Node;
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import com.github.javaparser.ast.NodeList;
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import com.github.javaparser.ast.stmt.*;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.Paths;
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import java.util.Arrays;
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import java.util.List;
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import static com.github.javaparser.ParseStart.*;
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import static com.github.javaparser.Providers.provider;
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public class SourceFormat {
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public static String format(String source) throws SourceException {
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JavaParser javaParser = new JavaParser();
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ParseResult<CompilationUnit> result = javaParser.parse(COMPILATION_UNIT, provider(source));
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CompilationUnit cu = result.getResult().orElseThrow(() -> new SourceException(result.getProblems()));
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Arrays.stream(new Class[]{
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IfStmt.class, ForStmt.class, ForEachStmt.class, WhileStmt.class
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}).forEach(c -> addBracket(cu, c));
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return cu.toString();
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}
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private static <T extends Statement> void addBracket(CompilationUnit cu, Class<T> c) {
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cu.findAll(c).forEach(stmt -> {
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List<Node> children = stmt.getChildNodes();
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if(children.size() != 0) {
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Statement block = (Statement)children.get(children.size() - 1);
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if(!block.isBlockStmt()) {
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stmt.replace(block, new BlockStmt(new NodeList<Statement>(block)));
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}
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}
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});
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}
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public static void main(String[] args) throws IOException {
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StringBuilder sb = new StringBuilder();
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String path = SourceFormat.class.getResource("/example.java").getPath();
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path = path.substring(1);
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try (BufferedReader br = Files.newBufferedReader(Paths.get(path))) {
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String line;
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while ((line = br.readLine()) != null) {
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sb.append(line).append("\n");
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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try {
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System.out.println(format(sb.toString()));
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} catch (SourceException e) {
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e.printStackTrace();
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}
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}
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}

‎src/main/resources/example.java‎

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package Graph;
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import java.util.LinkedList;
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public class Graph {
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private final int V;private int E; private LinkedList<Integer>[] adj;
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public Graph(int V)
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{
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this.V=V;
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this.E=0;
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adj = (LinkedList<Integer>[]) new LinkedList[V];
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for (int v = 0; v < V; v++)
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adj[v] = new LinkedList<>();
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}
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public int V()
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{
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return V;
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}
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public
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int E() {
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return E;
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}
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public void addEdge(int v, int w) {
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adj[v].add(w);
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adj[w].add(v);
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E++;
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}
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public LinkedList<Integer> adj(int v) {
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return adj[v];
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}
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public int degree(int v,Graph g){
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int count = 0;
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for(int s : adj(v))
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count++;
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return count;
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}
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}

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