class A{
public String context=test();
public static int num=getNum();
{
System.out.print(\"A3\");
}
static{
System.out.print(\"A1,\");
}
public A(){
System.out.print(\"A2,\");
}
public String test()
{
String str=\"A.test(),\";
System.out.print(str); 网管联盟bitsCN@com
return str;
}
public static int getNum()//它只属于A
{
System.out.print(\"A.getNum(),\");
return 11;
}
}
class B extends A{
{
System.out.print(\"c\");
}
static{
System.out.print(\"a,\");
}
public B(){
System.out.print(\"b,\"); 网管bitscn_com
}
public String test()//覆盖
{
String str=\"B.test(),\";
System.out.print(str);
return str;
} 网管下载dl.bitscn.com
public static int getNum()//它只属于B,不能覆盖
{
System.out.print(\"B.getNum(),\");
return 21;
}
}
public class InitTest{
public static void main(String[] ars){
new B(); //执行到此处,结果: A.getNum(),A1,a,B.test(),A3A2,cb, [Page]
System.out.println();
new B(); //执行到此处,结果: B.test(),A3A2,cb,
}
} 网管论坛bbs_bitsCN_com