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Èç:
public class Father
{
public void speak()
{
System.out.println("Father");
}
}
public class Son extends Father
{
public void speak()
{
System.out.println("son");
}
}
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µ±ÉÏÀýÖÐ FatherÀà speak()·½·¨±»privateʱ,SonÀ಻ÄÜÖØÐ´ FatherÀà speak()·½·¨,´ËʱSonÀà speak()·½·¨Ï൱ÓëÔÚSonÀàÖж¨ÒåµÄÒ»¸öspeak()·½·¨.
FatherÀà speak()·½·¨Ò»µ«±»finalʱ,ÎÞÂ۸÷½·¨±»public,protected¼°Ä¬ÈÏËùÐÞÊÎʱ,SonÀà¸ù±¾²»ÄÜÖØÐ´ FatherÀà speak()·½·¨,ÊÔͼ±àÒë´úÂëʱ,±àÒëÆ÷»á±¨´í.Àý:
public class Father
{
fianl public void speak()
{
System.out.println("Father");
&
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public static void main(String[] args) {
System.out.println("Total Memory"+Runtime.getRuntime().totalMemory());
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InputStream is = new FileInputStream(source);
Workbook rwb = Workbook.getWorkbook(is);
Sheet sheet = rwb.getSheet(0);
for (int i = 1; i < sheet.getRows(); i++) {
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