java求和 1到100之和

package count; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.*; public class count public static void main(String args) MyFrame mf=new MyFrame(); class MyFrame extends JFrame JTextField f; JLabel L1; JButton b1; public MyFrame() this(“count“); public MyFrame(String title) super(title); setSize(300,280); setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); b1=new JButton(“计算 “); f=new JTextField(“,11); L1=new JLabel(“1+2+100“,JLabel.RIGHT); b1.addActionListener(ActionListener) new inclass(); add(L1); add(b1); add(f); FlowLayout flow=new FlowLayout(FlowLayout.CENTER,18,20); setLayout(flow); center(this); setVisible(true); public void center(JFrame frame) Toolkit toolkit=Toolkit.getDefaultToolkit(); Dimension dim=toolkit.getScreenSize(); int screenWidth=dim.width; int screenHeight=dim.height; int w=frame.getWidth(); int h=frame.getHeight(); int x=(screenWidth-w)/2; int y=(screenHeight-h)/2; frame.setLocation(x,y); import javax.swing.*; public class qiuhe public static void main(String args) MyFrame mf=new MyFrame(); class MyFrame extends JFrame implements ActionListener JLabel L1; JTextField T1; JButton B1; int sum=0; public MyFrame() this(“求和“); public MyFrame(String title) super(title); L1=new JLabel(“1+2+3+。 。 。+100 的和是：“); T1=new JTextField(10); B1=new JButton(“计算“); add(L1); add(T1); add(B1); B1.addActionListener(this); setSize(250,190); FlowLayout flow=new FlowLayout(1,10,10); setLayout(flow); setBackground(Color.red); setVisible(true); public void actionPerformed(Act