更多JAVA程序设计试题
- 1下面关于线程的叙述中,正确的是()
- 2下列程序运行结果是( )interface InterfaceA{String s="good ";void f();}abstract class ClassA{abstract void g();}class ClassB extends ClassA implements InterfaceA{void g(){System.out.print(s);}public void f(){System.out.print(" "+s);}}public class E {public static void main(String[] args) {ClassA a=new ClassB();InterfaceA b=new ClassB();a.g();b.f();}}
- 3编译运行下面的程序,结果是什么?public class A {public static void main(String[] args) {B b = new B();b.test();}void test() {System.out.print("A");}}class B extends A {void test() {super.test();System.out.print("B"); }}
- 4下列修饰符中,哪个修饰内部类后,会使内部类会随着外部类的加载而加载?
- 5下列修饰符中,哪个修饰内部类后,会使内部类会随着外部类的加载而加载?
- 6下列关于方法的描述中,正确的是( )