55
56
65
66
第1题:
下列程序段中,正确的是______。 ①class MvClass { int var = 100; static int getVar() { return var; } } ②public class MyClass { final int date; void MyClass (int d) { date = d; } } ③public class MyMain { public static void main(String args[]) { System.out.println(Myclass1.date); } } class MyClass1 { int data = 10; } ④class IamAbstract { final int f; double d; abstrct void method(); }
A.②④
B.①③
C.②
D.以上都不对
第2题:
下列哪个成员方法声明是正确的? ( )
A.public abstract final int f(){...}
B.public static boolean f(){...}
C.static protected void g(a,{...}
D.protected private number;
第3题:
阅读下面程序:
include<iostream.h>
void f(int n)
{
int x(5);
static int y(10);
if(n>0)
{
++x;
++y;
cout<<x<<","<<y<<endl;
}
}
void main()
{
int m(1);
f(m),
}
则该程序的输出结果是【 】
第4题:
5. class Passer3 { 6. final static Passer3 p2 = new Passer3(); 7. public static void main(String [] args) { 8. Passer3 p4 = p2.go(p2); 9. Passer3 p3 = p2; 10. System.out.print(p3==p4); 11. } 12. Passer3 go(Passer3 p) { 13. p = new Passer3(); 14. return p; 15. } 16. } 结果为:()
第5题:
public interface Foo{ int k = 4; } Which three are equivalent to line 2?()
第6题:
下列整型的最终静态属性i的定义中,正确的是______。
A.static int i;
B.final i;
C.static final int i=234;
D.final float i=3.14f;
第7题:
下列哪个成员方法声明是正确的? ( )
A.public abstract final int f(){…}
B.public static boolean f(){…}
C.static protected void g(a,b){…}
D.protected private number;
第8题:
A.static final int[]a={100,200};
B.static final int[]a;static{a=new int[2];a[0]=100;a[1]=200;}
C.static final int[]a=new int[2]{100,200};
D.static final int[]a;static void int(){a=new int[3];a[0]=100;a[1]=200;}
第9题:
Which two code fragments correctly create and initialize a static array of int elements?()
第10题:
现有: class TestMain { static int x = 2; static { x = 4; } static public void main(String[] args) { int y = x + 1; System.out.println(y); } } 和命令行: java TestMain 结果为:()