import java.sql.Connection;
 import java.sql.DriverManager;
 import java.sql.Statement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.io.IOException;
 
 class testMaxConn{
 public static void main(String args[]){
 int count=0;
 Connection []conn=new Connection[1000];
 Statement []stmt =new Statement[1000];
 ResultSet []rs =new ResultSet[1000];
 try{
 Class.forName
("com.MySQL.jdbc.Driver").newInstance();
for(count=0;count<300;count++){
conn[count] = DriverManager.getConnection
("jdbc:mysql://localhost/MySQL", "root", "");
 stmt[count]=conn[count].createStatement();
 rs[count]=stmt[count].executeQuery
("SELECT * FROM user");
 while (rs[count].next()){
 //System.out.println(rs.getString(1)+
"\t "+rs.getString(2)); 
 }
 System.out.print(count+"\t");
 }
 
 
 }catch(SQLException ex1){
 System.out.println("\n"+ex1.toString());
 }catch(InstantiationException ex2){
 System.out.println("\n"+ex2.toString());
 }catch(ClassNotFoundException ex3){
 System.out.println("\n"+ex3.toString());
 }catch(IllegalAccessException ex4){
 System.out.println("\n"+ex4.toString());
 }finally{
 try{
 System.out.println("\nSystem has opened 
"+count--+" MySQL connections.\nPress Enter key 
to close the connections");
 System.in.read();
 System.out.println
("\nClose the Connections:");
 for(;count>=0;count--){
 rs[count].close();
 stmt[count].close();
 conn[count].close();
 System.out.print(count+"\t");
 }
 }catch(SQLException ex){
 System.out.println
("\n Close connection exception:"+ex.toString());
 }catch(IOException io_ex){}
 }//end the first "try"
 }
 }