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Commit cb17095

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Add project files for TestJDBC, including .gitignore, classpath, project settings, and initial models for database connection and student representation
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/.metadata/
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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17">
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<attributes>
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<attribute name="module" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="src" path="src"/>
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<classpathentry kind="output" path="bin"/>
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</classpath>
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/bin/
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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>TestJDBC</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.jdt.core.javabuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.eclipse.jdt.core.javanature</nature>
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</natures>
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</projectDescription>
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eclipse.preferences.version=1
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encoding/<project>=UTF-8
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eclipse.preferences.version=1
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org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
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org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
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org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
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org.eclipse.jdt.core.compiler.compliance=17
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org.eclipse.jdt.core.compiler.debug.lineNumber=generate
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org.eclipse.jdt.core.compiler.debug.localVariable=generate
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org.eclipse.jdt.core.compiler.debug.sourceFile=generate
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org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
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org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
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org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
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org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
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org.eclipse.jdt.core.compiler.release=enabled
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org.eclipse.jdt.core.compiler.source=17
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package models;
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import java.sql.Connection;
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public class ConnectSQL {
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private Connection conn = null;
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public static ConnectSQL instance = null;
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private ConnectSQL() {
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// kết nối
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System.out.println("Kết nối sql");
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//this.conn = ///
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}
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public static ConnectSQL getInstance() {
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if (instance == null) {
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instance = new ConnectSQL();
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}
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return instance;
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}
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public static Connection getConnected() {
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instance = getInstance();
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return instance.getConn();
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}
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public Connection getConn() {
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return conn;
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}
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public void setConn(Connection conn) {
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this.conn = conn;
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}
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}
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package models;
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public class Student {
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public String masv;
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private String name;
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private int age;
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private String gender;
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public static String university = "VKU";
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public Student() {
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this.masv = "";
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this.name = "";
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this.age = 0;
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this.gender = "Nam";
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}
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public Student(String masv, String name, int age, String gender) {
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this.masv = masv;
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this.name = name;
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this.age = age;
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this.gender = gender;
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}
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@Override
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public String toString() {
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return "Student [masv=" + masv + ", name=" + name + ", age=" + age + ", gender=" + gender + ", university=" + university + "]";
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}
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public String getMasv() {
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return masv;
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}
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public void setMasv(String masv) {
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this.masv = masv;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public int getAge() {
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return age;
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}
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public void setAge(int age) {
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this.age = age;
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}
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public String getGender() {
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return gender;
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}
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public void setGender(String gender) {
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this.gender = gender;
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}
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}
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package test;
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import models.ConnectSQL;
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import models.Student;
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public class Test {
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public static void main(String[] args) {
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// TODO Auto-generated method stub
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ConnectSQL conn = ConnectSQL.getInstance();
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ConnectSQL conn2 = ConnectSQL.getInstance();
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ConnectSQL conn3 = ConnectSQL.getInstance();
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}
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}

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