JAVA2_day11 | GUI 연습문제 (1)

1. GUI 연습문제 (1)

package guiex;
 
import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Checkbox;
import java.awt.CheckboxGroup;
import java.awt.Color;
import java.awt.Frame;
import java.awt.Label;
import java.awt.Panel;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
 
public class GuiTest08 extends Frame {
 
    Panel p1, p2;
    Label label;
    CheckboxGroup cg;
    Checkbox sub1, sub2, sub3;
    Button[] btn;
    String[] btnStr = {"확인", "종료"};
    String title = "과목 중에 선택하세요";
    
    public GuiTest08() {
    
        // 1. 컨테이너 
        super("GUI Test01");
        setSize(300, 150);
        setLayout(new BorderLayout());
        
        // 2. 컴포넌트 
        label = new Label(title, Label.CENTER);
        label.setBackground(Color.GRAY);
        
        p1 = new Panel();
        cg = new CheckboxGroup();
        sub1 = new Checkbox("JAVA", true, cg);
        sub2 = new Checkbox("C", false, cg);
        sub3 = new Checkbox("PYTHON", false, cg);
        
        p2 = new Panel();
        btn = new Button[2];
        btn[0] = new Button(btnStr[0]);
        btn[1] = new Button(btnStr[1]);
        
        // 3. add
        add(label, BorderLayout.NORTH);
        
        add(p1, BorderLayout.CENTER);
        p1.add(sub1);
        p1.add(sub2);
        p1.add(sub3);
        
        add(p2, BorderLayout.SOUTH);
        p2.add(btn[0]);
        p2.add(btn[1]);
 
        setVisible(true);
    }
 
    public static void main(String[] args) {
 
        GuiTest08 g8 = new GuiTest08();
    
    }
}

# 실행 화면

2. GUI 연습문제 (2)

package guiex;
 
import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Frame;
import java.awt.Panel;
import java.awt.TextArea;
import java.awt.TextField;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
 
public class GuiTest09 extends Frame {
 
    Panel p1, p2, p3;
    TextField tf;
    TextArea ta;
    Button[] btn;
    String[] str = {"Start", "End"};
    
    public GuiTest09() {
        super("GUI Test02");
        setSize(400, 250);
        
        // 1. 컨테이너
        setLayout(new BorderLayout(10, 0));
        
        // 2. 컴포넌트 
        p1 = new Panel();
        tf = new TextField("Hello Java", 30);
        
        p2 = new Panel();
        ta = new TextArea("내용을 입력하세요.", 10, 30, TextArea.SCROLLBARS_VERTICAL_ONLY);
        
        p3 = new Panel();
        btn = new Button[2];
        btn[0] = new Button(str[0]);
        btn[1] = new Button(str[1]);
        
        // 3. add
        add(p1, BorderLayout.NORTH);
        p1.add(tf);
        
        add(p2, BorderLayout.CENTER);
        p2.add(ta);
        
        add(p3, BorderLayout.SOUTH);
        p3.add(btn[0]);
        p3.add(btn[1]);
 
        setVisible(true);
    }
 
    public static void main(String[] args) {
 
        GuiTest09 g9 = new GuiTest09();
    
    }
}

# 실행 화면

3. GUI 연습문제 (3)

package guiex;
 
import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.List;
import java.awt.Panel;
import java.awt.TextField;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
 
public class GuiTest10 extends Frame {
 
    List list;
    TextField tf;
    Button[] btn;
    String[] str = {"추가", "지우기", "전체지우기", "종료"};
    Panel p;
    
    public GuiTest10() {
        super("GUI Test03");
        setSize(300, 200);
        
        // 1. 컨테이너 
        setLayout(new BorderLayout());
        
        // 2. 컴포넌트 
        p = new Panel(new GridLayout(0, 1));
        btn = new Button[4];
        for(int i=0; i<btn.length; i++) {
            btn[i] = new Button(str[i]);
            p.add(btn[i]);
        }
        
        list = new List();
        tf = new TextField(30);
        
        // 3. add
        add(list, BorderLayout.CENTER);
        add(p, BorderLayout.EAST);
        add(tf, BorderLayout.SOUTH);
        
        setVisible(true);
    }
 
    public static void main(String[] args) {
 
        GuiTest10 g10 = new GuiTest10();
    
    }
}

# 실행 화면