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criacao do AppBd.java
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rpversiani committed Aug 23, 2023
commit 6aa960c8c49520b26273a7fd1509f4e6ac856f73
24 changes: 24 additions & 0 deletions src/main/java/com/AppBd.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,24 @@
package com;
import java.sql.DriverManager;
import java.sql.SQLException;

public class AppBd {
public static void main(String[] args) {
try {
Class.forName("org.postgresql.Driver");
try (var conn = DriverManager.getConnection("jdbc:postgresql://localhost/postgres", "gitpod", "");){
System.out.println("Conectado ao banco de dados com sucesso!");

var statement = conn.createStatement();
var result = statement.executeQuery("select * from estado");
while(result.next()){
System.out.printf("Id: %d Nome: %s UF: %s\n", result.getInt("id"), result.getString("nome"), result.getString("uf"));
}
}
} catch (ClassNotFoundException e) {
System.err.println("Não foi possível carregar a biblioteca para acessar o banco de dados: " + e.getMessage());
} catch (SQLException e){
System.out.println("Não foi possível conectar ao banco de dados: " + e.getMessage());
}
}
}