SQLBean.java

package mybeans;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import java.util.ArrayList;
import java.util.Arrays;
import static java.util.Arrays.asList;
import java.sql.*; 

public class SQLBean implements java.io.Serializable {
    private String name;
    public String year;     //Frosh, Soph, Jr, Senior,Year 1,Year 2,Year 3
    public int testgrade;   //entrance exam grade
    static final String JDBC_DRIVER = "org.mariadb.jdbc.Driver";  
    static final String DB_URL = "jdbc:mariadb://localhost:3306/cs4010";
    static final String USER = "cs4010";
    static final String PASS = "cs4010";


    public SQLBean() {
    }
    public String getName(){
        return name;
    }
    public String getYear(){
        return year;
    }
    public int getTestgrade(){
        return testgrade;
    }
    public void setName(String Name){
        this.name = Name;
    }
    public void setYear(String Year){
        this.year = Year;
    }
    public void setTestgrade(int Testgrade){
        this.testgrade = Testgrade;
    }
    public String getAll(){
        return name+" "+year+ " " +new Integer(testgrade).toString();
    }
    public void setAll(String thename){
        List<String> theBeanData=TheStudent(thename);
        setName(theBeanData.get(0));
        if (theBeanData.size()>1) {
            setYear(theBeanData.get(1));
            setTestgrade(Integer.parseInt(theBeanData.get(2)));
        }
    }

    public List<String> TheStudent(String who){
        Connection conn = null;
        Statement stmt = null;
        List<String> theReturn=new ArrayList<String>();
        try {
            Class.forName(JDBC_DRIVER);
            conn = DriverManager.getConnection(DB_URL,USER,PASS);
            stmt = conn.createStatement();
            String this_query="SELECT name, year, test FROM student where name=\"";
            this_query=this_query+who+"\";";
            ResultSet rs = stmt.executeQuery(this_query);
            while (rs.next()) {
                theReturn.add(rs.getString("name"));               
                theReturn.add(rs.getString("year"));
                theReturn.add(Integer.toString(rs.getInt("test")));
            }
            rs.close();
            stmt.close();
            conn.close();
        } catch (Exception e) {
            theReturn.add("Failed");

        }
        return theReturn;
    }
}