jmemorydemo.java

java虚拟机内存监测 java虚拟机内存监测 java虚拟机内存监测

package jmemorydemo;

import java.awt.Dimension;//封装单个对象中组件的宽度和高度（精确到整数）
import java.awt.Toolkit;

public class JmemoryDemo {
	private boolean packFrame = false;
	public JmemoryDemo() {
		MainFrame frame0 = new MainFrame();
		if(packFrame) {
			frame0.pack();
		} else {
			frame0.validate();
		}
		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
		Dimension frameSize = frame0.getSize();
		if(frameSize.height>screenSize.height) {
			frameSize.height = screenSize.height;
		}
		if(frameSize.width>screenSize.width) {
			frameSize.width = screenSize.width;
		}
		frame0.setLocation((screenSize.width - frameSize.width)/2, 
					(screenSize.height - frameSize.height)/2);
		frame0.setVisible(true);
	}
	
	public static void main(String[] args) {
		new JmemoryDemo();
	}
}