这是一个学生管理系统

				package studentms;								import javax.swing.*;				import com.borland.jbcl.layout.*;				import java.awt.*;								public class userAdd extends user {				  public userAdd() {				      jLabel3.setVisible(false);				      jTNewPass.setVisible(false);				      this.getContentPane().add(jBOK,  new XYConstraints(45, 140, 75, 26));				      this.getContentPane().add(jBCancel,  new XYConstraints(140, 140, 75, 26));				      xYLayout1.setHeight(170) ;				      this.setTitle("用户登录");				   }				}