格林模拟试题二(上)(1)

 question 1)

what will happen when you attempt to compile and run this code

abstract class base{
public void another(){
}
public class abs extends base{
abs a = new abs();
}
system.out.println("my func");
public void amethod(){
}

1) the code will compile and run, printing out the words "my func"
3) the code will compile but complain at run time that the base class has non abstract methods

question 2)
what will happen when you attempt to compile and run this code?

public class mymain{
system.out.println("hello cruel world");
}
1) the compiler will complain that main is a reserved word and cannot be used for a class
3) the code will compile but will complain at run time that no constructor is defined

question 3)

which of the following are java modifiers?

1) public
3) friendly
5) vagrant