String s ="jdbc:microsoft:sqlserver://127.0.0.1:1433;User=sa;Password=;DatabaseName=pubs";
try {
conn = DriverManager.getConnection(s);
} catch (SQLException ex) {
}提示错误:java.lang.NullPointerException
各位高手帮我看一下:郁闷的很;
try {
conn = DriverManager.getConnection(s);
} catch (SQLException ex) {
}提示错误:java.lang.NullPointerException
各位高手帮我看一下:郁闷的很;
System.out.println(ex);