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RSS订阅原创 构造器内部的多态方法！！
程序如下：//: polymorphism/PolyConstructors.java// Constructors and polymorphism// don't produce what you might expect.import static net.
2011-10-12 13:56:42
292
原创 多态的缺陷：域和静态方法
域和静态方法不具有多态性！！！（直接访问某个域，这个访问就将在编译器进行解析；）//: polymorphism/FieldAccess.java// Direct field access is determined at compile time.
2011-10-11 15:30:07
342
原创 多态的缺陷：“覆盖私有方法”
程序如下：package polymorphism;import static net.mindview.util.print.*;public class PrivateOverride{private void f() {print("private f(
2011-10-11 15:27:08
359
原创 继承与初始化(static对象初始化顺序)
程序如下：class Insect extends father { private int i = 9; protected int j; Insect() { System.out.println("i = " + i + ", j = "
2011-09-29 15:50:15
318
原创 final和private关键字
程序如下：class WithFinals{private final void f() {print("WithFianls.f()");}private final vodi g() {print("WithFinals.g()");}}class
2011-09-29 15:06:02
435
原创 复用类
程序如下：package reusing; class Frog2 extends Amphibian { public void moveInWater() { System.out.println("Frog swimming");
2011-09-29 10:12:06
243
原创 oracle调用带in out参数的存储过程
定义了一个存储过程；create or replace procedure FindBaseInfo( v_id in out number, v_name out varchar2, v_title out varchar2)istemp
2011-09-22 16:00:35
2469
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