摘要:
package meijuleixing; public enum Color { red,green,blue; private Color(){ } } package meijuleixing; public enum Style { dimond("方块",1),flower(),heart("红心",3),peach("黑桃",4); String na... 阅读全文
摘要:
package xintexing; import java.util.Iterator; import org.omg.PortableInterceptor.Interceptor; public class Dongzu implements Iterable { //内部是通过数组来实现的 Object[]values; int size=0; //元素个数 //构造方法 publ... 阅读全文
摘要:
package hongbao; import java.util.Random; import java.util.TreeSet; public class TestRed { public static void main(String[] args) { makeredbag(100, 3); } public s... 阅读全文
摘要:
package tushu; import java.util.Comparator; import java.util.TreeMap; public class TreeMapTest { public static void main(String[] args) { TreeMap map=new TreeMap(new MyComparator()... 阅读全文
摘要:
package tushu; import java.util.Hashtable; import java.util.Map; import java.util.Map.Entry; import java.util.Set; public class TestHashtable { public static void main(String[] args) { Map... 阅读全文
摘要:
package tushu; import java.util.HashMap; import java.util.Map; public class TestBook { public static void main(String[] args) { Book b=new Book("iso2000", "java编程思想", "james", 98); Book b1=new ... 阅读全文