主题：程序代码——获取内存信息

/*
* Midlet.java
*
* Created on 2008年9月17日, 上午10:49
*/

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

/**
*
* @author  Administrator
* @version
*/
public class Exec extends MIDlet {
    public void startApp() {
        Display display= Display.getDisplay(this);
        Form form = new Form("欢迎您!");
        Runtime runtime=Runtime.getRuntime();
        StringBuffer result=new StringBuffer();
        result.append("total momery="+runtime.totalMemory()+"\n");
        result.append("free momery="+runtime.freeMemory()+"\n");
        runtime.gc();
        result.append("free momery after gc="+runtime.freeMemory()+"\n");
        form.append(result.toString());
        display.setCurrent(form);
    }
    
    public void pauseApp() {
    }
    
    public void destroyApp(boolean unconditional) {
    }
}