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package Test;
import java.math.BigDecimal; //ÒýÈëÕâ¸ö°ü
public class Test {
public static void main(String[] args) {
double i = 3.856;
// ÉáµôСÊýÈ¡Õû
System.out.println("ÉáµôСÊýÈ¡Õû:Math.floor(3.856)=" + (int) Math.floor(i));
......
Inner classes, also called Nested Classes, are nothing but classes that are defined within other classes. The nesting is a relationship between classes, not objects.
Inner classes have clearly two benefits, name control & access control. In Java, this benefit is not as important because Java pa ......
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abstractµÄ£¬ÓÖ±»ÉùÃ÷ΪfinalµÄ¡£½«±äÁ¿»ò·½·¨ÉùÃ÷Ϊfinal£¬¿ÉÒÔ±£Ö¤ËüÃÇÔÚʹÓÃÖв»±»¸Ä±ä¡£±»ÉùÃ÷ΪfinalµÄ±äÁ¿±ØÐëÔÚÉùÃ÷ʱ¸ø¶¨
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package graphic;
import javax.swing.ImageIcon;
import javax.swing.JTree;
import java.awt.Component;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.tree.DefaultMutableTreeNode;
/**
*
* @author bianzhiqi
* ¾ßÌå·½·¨µÄʹÓò鿴DefaultTreeCellRendererµÄÎĵµ
*/
public c ......