import java.awt.Color;import java.awt.Dimension;import java.awt.Font;import java.awt.Point;import javax.swing.Icon;import javax.swing.ImageIcon;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JLabel;//=================================================// File Name       :	JFrame_demo//------------------------------------------------------------------------------// Author          :	Common//主类//Function        : 	JFrame_demopublic class JFrame_demo {	public static void main(String[] args) {		// TODO 自动生成的方法存根				JFrame f = new JFrame("Swing窗口");							//实例化窗体对象		String picPath = "/home/common/software/database/photo.jpg";		Icon icon = new ImageIcon(picPath);				JButton but = new JButton(icon);		f.add(but);																				//向容器中加入组建		Dimension dim = new Dimension();								//实例化Dimension对象				dim.setSize(230,80);			//设置大小		f.setSize(dim);						//设置组件大小		f.setBackground(Color.WHITE);		Point point = new Point(300,200);		//设置现实的坐标点		f.setLocation(point);		f.setVisible(true);			}}