The document contains Java code related to a database application for managing wrestling-related data, including user accounts, players, matches, and belts. It features various functionalities such as user login, sign up, adding/removing players, and displaying player and match information by interacting with a MySQL database. Several error handling mechanisms are included, utilizing dialog boxes to inform users of issues or actions taken.

1. //Next
f1obj=new f1();
obj.setVisible(true);
this.dispose();
//Signup
f3obj=new f3();
obj.setVisible(true);
this.dispose();
//Login
f2obj=new f2();
obj.setVisible(true);
this.dispose();
//Exit
System.exit(0);

2. //Back
f1obj=new f1();
obj.setVisible(true);
this.dispose();
//Submit
String e=tf1.getText();
String p=new String(pf1.getPassword());
try
{
Class.forName("java.sql.DriverManager");
Connection con=(Connection)DriverManager.getConnection("jdbc:mysql://localhost/wwe", "root",
"mahadev");
java.sql.StatementStmt=(java.sql.Statement) con.createStatement();
String query="Select * from users where email='"+e+"' and password='"+p+"';";
ResultSetrs=Stmt.executeQuery(query);
if(rs.next())
{
f3obj=new f3();
obj.setVisible(true);
this.dispose();
}
else
JOptionPane.showMessageDialog(this,"You doesn't have a account. Pleasecreate a account");
}
catch(Exception wr)
{
JOptionPane.showMessageDialog(this,wr.getMessage());

3. }
//Back
f1obj=new f1();
obj.setVisible(true);
this.dispose();
//Submit
String f=tf1.getText();
String l=tf2.getText();
String e=tf3.getText();
String m=tf4.getText();
String p=new String(pf1.getPassword());
String g=null,t="User";
if (rdb1.isSelected())
g="M";
else
g="F";
try
{
Class.forName("java.sql.DriverManager");
Connection con=(Connection)DriverManager.getConnection("jdbc:mysql://localhost/wwe", "root",
"mahadev");
Statement Stmt=(Statement) con.createStatement();
String query="insert into users values('"+f+"','"+l+"','"+e+"','"+m+"','"+p+"','"+g+"');";
Stmt.executeUpdate(query);
f2obj=new f2();
obj.setVisible(true);

4. this.dispose();
}
catch(Exception wr)
{
JOptionPane.showMessageDialog(this,wr.getMessage());
}
//Add Player
f5obj=new f5();
obj.setVisible(true);
this.dispose();
//Remove player
f6obj=new f6();
obj.setVisible(true);
this.dispose();
//Player info
f7obj=new f7();
obj.setVisible(true);
this.dispose();
//Add player moves
f8obj=new f8();
obj.setVisible(true);
this.dispose();
//Update moves
f9obj=new f9();
obj.setVisible(true);
this.dispose();

5. //Add new match
f10obj=new f10();
obj.setVisible(true);
this.dispose();
//Remove match
f11obj=new f11();
obj.setVisible(true);
this.dispose();
//Match info
f12obj=new f12();
obj.setVisible(true);
this.dispose();
//Add new belt
f13obj=new f13();
obj.setVisible(true);
this.dispose();
//Remove belt
f14obj=new f14();
obj.setVisible(true);
this.dispose();
//Add match type
f15obj=new f15();
obj.setVisible(true);
this.dispose();
//Remove match type
f16obj=new f16();
obj.setVisible(true);
this.dispose();
//Logout
f1obj=new f1();
obj.setVisible(true);
this.dispose();

6. //
int y= cb2.getSelectedIndex();
int m= cb3.getSelectedIndex();
int s=(Integer)sp1.getValue();
int d;
if(m==0)
{
if(s<=31&&s>0)
d=s;
else
JOptionPane.showMessageDialog(this,"Pleaseenter a valid date");
}
else if(y/4==0 && m==1)
{
if(s<=29&&s>0)
d=s;
else
JOptionPane.showMessageDialog(this,"Pleaseenter a valid date");
}
else if(y/4!=0 && m==1)
{
if(s<=29&&s>0)
d=s;
}
else if(m==2)

7. {
if(s<=31&&s>0)
d=s;
else
JOptionPane.showMessageDialog(this,"Pleaseenter a valid date");
}
else if(m==3)
{
if(s<=30&&s>0)
d=s;
else
JOptionPane.showMessageDialog(this,"Pleaseenter a valid date");
}
else if(m==4)
{
if(s<=31&&s>0)
d=s;
else
JOptionPane.showMessageDialog(this,"Pleaseenter a valid date");
}
else if(m==5)
{
if(s<=30&&s>0)
d=s;
else
JOptionPane.showMessageDialog(this,"Pleaseenter a valid date");
}
else if(m==6)
{
if(s<=31&&s>0)
d=s;
else
JOptionPane.showMessageDialog(this,"Pleaseenter a valid date");

8. }
else if(m==7)
{
if(s<=31&&s>0)
d=s;
else
JOptionPane.showMessageDialog(this,"Pleaseenter a valid date");
}
else if(m==8)
{
if(s<=30&&s>0)
d=s;
else
JOptionPane.showMessageDialog(this,"Pleaseenter a valid date");
}
else if(m==9)
{
if(s<=31&&s>0)
d=s;
else
JOptionPane.showMessageDialog(this,"Pleaseenter a valid date");
}
else if(m==10)
{
if(s<=30&&s>0)
d=s;
else
JOptionPane.showMessageDialog(this,"Pleaseenter a valid date");
}
else if(m==11)
{
if(s<=31&&s>0)
d=s;

9. else
JOptionPane.showMessageDialog(this,"Pleaseenter a valid date");
}
//Back
f4obj=new f4();
obj.setVisible(true);
this.dispose();
//Add player
String i=tf1.getText();
String n=tf2.getText();
String a=tf3.getText();
String y= cb2.getSelectedItem().toString();
String mo= cb3.getSelectedItem().toString();
intdit=(Integer)sp1.getValue();
String dmy=""+dit+mo+y;
try
{
Class.forName("java.sql.DriverManager");
Connection con=(Connection)DriverManager.getConnection("jdbc:mysql://localhost/wwe", "root",
"mahadev");
Statement Stmt=(Statement) con.createStatement();
String query="insert into players values('"+i+"','"+n+"','"+a+"','"+dmy+"','null');";
Stmt.executeUpdate(query);
JOptionPane.showMessageDialog(null,"Player successfully added");
}
catch(Exception wm)
{
JOptionPane.showMessageDialog(this,wm.getMessage());
}

10. //Back
f4obj=new f4();
obj.setVisible(true);
this.dispose();
//Remove
inti=Integer.parseInt(tf1.getText());
try
{
Class.forName("java.sql.DriverManager");
Connection con=(Connection)DriverManager.getConnection("jdbc:mysql://localhost/wwe", "root",
"mahadev");
Statement Stmt=(Statement) con.createStatement();
String query="delete from players where pid='"+i+"';";
Stmt.executeUpdate(query);
JOptionPane.showMessageDialog(null,"Player successfully removed");
}
catch(Exception wm)
{
JOptionPane.showMessageDialog(this,wm.getMessage());
}
//Back
f4obj=new f4();
obj.setVisible(true);
this.dispose();
//Show

11. DefaultTableModel m=(DefaultTableModel)t1.getModel();
int a=t1.getRowCount();
for(inti=1;i<=a;i++)
{
if(a>0)
{
m.removeRow(0);}}
try
{
Class.forName("java.sql.DriverManager");
com.mysql.jdbc.Connection
con=(com.mysql.jdbc.Connection)DriverManager.getConnection("jdbc:mysql://localhost/transport","root",
"mahadev");
com.mysql.jdbc.Statementstmt=(com.mysql.jdbc.Statement) con.createStatement();
String query="Select * from players;";
ResultSetrs=stmt.executeQuery(query);
int found=0;
while(rs.next())
{
String Pid=rs.getString("pid");
String Name=rs.getString("pname");
String Age=rs.getString("age");
String DOJ=rs.getString("DOJ");
String Moves=rs.getString("moves");
m.addRow(new Object[]{Pid, Name, Age, DOJ, Moves});found++;
}
if(found==0)
{
JOptionPane.showMessageDialog(this,"No record found");
}
}
catch (Exception wm)
{
JOptionPane.showMessageDialog(this,wm.getMessage());

12. }
//Back
f4obj=new f4();
obj.setVisible(true);
this.dispose();
//Add Move
String i=tf1.getText();
String n=tf2.getText();
try
{
Class.forName("java.sql.DriverManager");
Connection con=(Connection)DriverManager.getConnection("jdbc:mysql://loca lhost/wwe", "root",
"mahadev");
Statement Stmt=(Statement) con.createStatement();
String query="update players setmoves='"+n+"' where pid='"+i+"';";
Stmt.executeUpdate(query);
JOptionPane.showMessageDialog(null,"Move successfully added");
}
catch(Exception wm)
{
JOptionPane.showMessageDialog(this,wm.getMessage());
}
//Back
f4obj=new f4();

13. obj.setVisible(true);
this.dispose();
//Remove
inti=Integer.parseInt(tf1.getText());
String m=tf2.getText();
try
{
Class.forName("java.sql.DriverManager");
Connection con=(Connection)DriverManager.getConnection("jdbc:mysql://localhost/wwe", "root",
"mahadev");
Statement Stmt=(Statement) con.createStatement();
String query="update players setmoves='"+m+"' where pid='"+i+"';";
Stmt.executeUpdate(query);
JOptionPane.showMessageDialog(null,"Moves successfully removed");
}
catch(Exception wm)
{
JOptionPane.showMessageDialog(this,wm.getMessage());
}
//
try
{
Class.forName("java.sql.DriverManager");
Connection con=(Connection)DriverManager.getConnection("jdbc:mysql://localhost/wwe", "root",
"mahadev");
Statement Stmt=(Statement) con.createStatement();

14. String query="Select mname from match;";
ResultSetrs=Stmt.executeQuery(query);
while(rs.next())
{
cb1.addItem(rs.getString("mname"));
}
}
catch(Exception wm)
{
JOptionPane.showMessageDialog(this,wm.getMessage());
}
//
try
{
Class.forName("java.sql.DriverManager");
Connection con=(Connection)DriverManager.getConnection("jdbc:mysql://localhost/wwe", "root",
"mahadev");
Statement Stmt=(Statement) con.createStatement();
String query="Select pname from players;";
ResultSetrs=Stmt.executeQuery(query);
while(rs.next())
{
cb2.addItem(rs.getString("pname"));
}
}
catch(Exception wm)
{
JOptionPane.showMessageDialog(this,wm.getMessage());
}
//Back
f4obj=new f4();
obj.setVisible(true);
this.dispose();

15. //Add Match
String i=tf1.getText();
String r=tf2.getText();
String mn=cb1.getSelectedItem().toString();
String p1=cb2.getSelectedItem().toString();
String p2=cb3.getSelectedItem().toString();
try
{
Class.forName("java.sql.DriverManager");
Connection con=(Connection)DriverManager.getConnection("jdbc:mysql://localhost/wwe", "root",
"mahadev");
Statement Stmt=(Statement) con.createStatement();
String query="insert into matchlistvalues('"+i+"','"+mn+"','"+r+"','"+p1+"','"+p2+"');";
Stmt.executeUpdate(query);
JOptionPane.showMessageDialog(null,"Match successfully added");
}
catch(Exception wm)
{
JOptionPane.showMessageDialog(this,wm.getMessage());
}
//Back
f4obj=new f4();
obj.setVisible(true);
this.dispose();
//Remove
inti=Integer.parseInt(tf1.getText());
try
{
Class.forName("java.sql.DriverManager");
Connection con=(Connection)DriverManager.getConnection("jdbc:mysql://localhost/wwe", "root",
"mahadev");

16. Statement Stmt=(Statement) con.createStatement();
String query="delete from match where mid='"+i+"';";
Stmt.executeUpdate(query);
JOptionPane.showMessageDialog(null,"Player successfully removed");
}
catch(Exception wm)
{
JOptionPane.showMessageDialog(this,wm.getMessage());
}
//Back
f4obj=new f4();
obj.setVisible(true);
this.dispose();
//Show
DefaultTableModel m=(DefaultTableModel)t1.getModel();
int a=t1.getRowCount();
for(inti=1;i<=a;i++)
{
if(a>0)
{
m.removeRow(0);}}
try
{
Class.forName("java.sql.DriverManager");

17. com.mysql.jdbc.Connection
con=(com.mysql.jdbc.Connection)DriverManager.getConnection("jdbc:mysql://localhost/transport","root",
"mahadev");
com.mysql.jdbc.Statementstmt=(com.mysql.jdbc.Statement) con.createStatement();
String query="Select * from matchlist;";
ResultSetrs=stmt.executeQuery(query);
int found=0;
while(rs.next())
{
String Mid=rs.getString("mid");
String Name=rs.getString("mname");
String Rname=rs.getString("rname");
String P1=rs.getString("P1");
String P2=rs.getString("P2");
m.addRow(new Object[]{Mid, Name, Rname, P1, P2});found++;
}
if(found==0)
{
JOptionPane.showMessageDialog(this,"No record found");
}
}
catch (Exception wm)
{
JOptionPane.showMessageDialog(this,wm.getMessage());
}
//Back
f4obj=new f4();
obj.setVisible(true);
this.dispose();

18. //Add belt
String i=tf1.getText();
String n=tf2.getText();
try
{
Class.forName("java.sql.DriverManager");
Connection con=(Connection)DriverManager.getConnection("jdbc:mysql://localhost/wwe", "root",
"mahadev");
Statement Stmt=(Statement) con.createStatement();
String query="insert into belts values('"+i+"','"+n+"');";
Stmt.executeUpdate(query);
JOptionPane.showMessageDialog(null,"Beltsuccessfully added");
}
catch(Exception wm)
{
JOptionPane.showMessageDialog(this,wm.getMessage());
}
//Back
f4obj=new f4();
obj.setVisible(true);
this.dispose();
//Remove
inti=Integer.parseInt(tf1.getText());
try
{
Class.forName("java.sql.DriverManager");
Connection con=(Connection)DriverManager.getConnection("jdbc:mysql://localhost/wwe", "root",
"mahadev");
Statement Stmt=(Statement) con.createStatement();

19. String query="delete from belts where bid='"+i+"';";
Stmt.executeUpdate(query);
JOptionPane.showMessageDialog(null,"Player successfully removed");
}
catch(Exception wm)
{
JOptionPane.showMessageDialog(this,wm.getMessage());
}
//Back
f4obj=new f4();
obj.setVisible(true);
this.dispose();
//Add match
String i=tf1.getText();
String n=tf2.getText();
try
{
Class.forName("java.sql.DriverManager");
Connection con=(Connection)DriverManager.getConnection("jdbc:mysql://localhost/wwe", "root",
"mahadev");
Statement Stmt=(Statement) con.createStatement();
String query="insert into match values('"+i+"','"+n+"');";
Stmt.executeUpdate(query);
JOptionPane.showMessageDialog(null,"Match successfully added");
}
catch(Exception wm)
{
JOptionPane.showMessageDialog(this,wm.getMessage());

20. }
//Back
f4obj=new f4();
obj.setVisible(true);
this.dispose();
//Remove
inti=Integer.parseInt(tf1.getText());
try
{
Class.forName("java.sql.DriverManager");
Connection con=(Connection)DriverManager.getConnection("jdbc:mysql://localhost/wwe", "root",
"mahadev");
Statement Stmt=(Statement) con.createStatement();
String query="delete from match where mid='"+i+"';";
Stmt.executeUpdate(query);
JOptionPane.showMessageDialog(null,"Player successfully removed");
}
catch(Exception wm)
{
JOptionPane.showMessageDialog(this,wm.getMessage());
}