若微處理器指令集架構可區分為RISC (Reduced Instruction Set Computer)和CISC (Complex Instruction Set Computer)兩種,則下列何者是CISC架構的微處理器?①ARM ②Intel x86 ③PowerPC ④AMD Opteron
下列的 Java 語言程式執行後輸出為何?
import java.lang.*;
class A
{
public static int value=0;
public A(){ value++; }
public void fun(){ value++; };
}
class B extends A
{
public B(){ super(); value--;}
public void fun(){ value--; };
}
class test
{
public static void main (String[] argv)
{
B b=new B(); fun(b);
System.out.println(b.value);
}
public static void fun(A x)
{
x.fun();
}
{