engllish_frame.java

大一JAVA实习的题目

/**
 * Write a description of class EngllishFrame here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
import java.awt.event.*;
import javax.swing.*;
import java.awt.*;
public class Engllish_Frame extends JFrame implements ActionListener
{
    private JTextField StrTextField=new JTextField(40);
    private JButton myButton=new JButton("统计");
    private JLabel myLabel=new JLabel();
    
    public Engllish_Frame()
    {
        setTitle("统计字母个数");
        setLayout(new FlowLayout());
        setSize(600,100);
        add(StrTextField);
        add(myButton);
        add(myLabel);
        myButton.addActionListener(this);
        setVisible(true);
    }

    public void actionPerformed(ActionEvent e)
    {
        String Str,Str_out="";
        //char temp='a';
        int[] total=new int[26];
        Str=StrTextField.getText();
        English a=new English(Str);
        a.E(total);
        Str_out="A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z  :  ";
        for(int i=0;i<26;i++)
        {
            Str_out+=total[i]+",";
        }
        myLabel.setText(Str_out);
    }
}