📄 select.java
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package students;
import java.sql.*;
public class Select {
public static void select(String stu,String str1,String str2,String str3,String str4,String str5){
Connection con = null;
Statement stmt = null;
ResultSet rs = null;
if(str1!=null){
try {
con = Database.connectToDb();
String strSQL = "insert into sel_crouses(ID,cro_id,year,degree )"+"value('"+stu+"','"+str1+"','2007','')";
stmt = con.createStatement();
stmt.executeUpdate(strSQL);
} catch (SQLException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (con != null) {
try {
con.close();
} catch (SQLException e) {
e.printStackTrace();
}
con = null;
}
}
}
if(str2!=null){
try {
con = Database.connectToDb();
String strSQL = "insert into sel_crouses(ID,cro_id,year,degree )"+"value('"+stu+"','"+str2+"','2007','')";
stmt = con.createStatement();
stmt.executeUpdate(strSQL);
} catch (SQLException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (con != null) {
try {
con.close();
} catch (SQLException e) {
e.printStackTrace();
}
con = null;
}
}
}
if(str3!=null){
try {
con = Database.connectToDb();
String strSQL = "insert into sel_crouses(ID,cro_id,year,degree )"+"value('"+stu+"','"+str3+"','2007','')";
stmt = con.createStatement();
stmt.executeUpdate(strSQL);
} catch (SQLException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (con != null) {
try {
con.close();
} catch (SQLException e) {
e.printStackTrace();
}
con = null;
}
}
}
if(str4!=null){
try {
con = Database.connectToDb();
String strSQL = "insert into sel_crouses(ID,cro_id,year,degree )"+"value('"+stu+"','"+str4+"','2007','')";
stmt = con.createStatement();
stmt.executeUpdate(strSQL);
} catch (SQLException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (con != null) {
try {
con.close();
} catch (SQLException e) {
e.printStackTrace();
}
con = null;
}
}
}
if(str5!=null){
try {
con = Database.connectToDb();
String strSQL = "insert into sel_crouses(ID,cro_id,year,degree )"+"value('"+stu+"','"+str5+"','2007','')";
stmt = con.createStatement();
stmt.executeUpdate(strSQL);
} catch (SQLException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (con != null) {
try {
con.close();
} catch (SQLException e) {
e.printStackTrace();
}
con = null;
}
}
}
}
}
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