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java语言中,按照一定格式生成程序的文档的工具是()。 1.public class Test {  2.public static void main (String args[]) {  3.class Foo {  4.public int i = 3;  5.}  6.Object o = (Object) new Foo();  7.Foo foo = (Foo)o;  8.System.out.printIn(foo. i); 9. }  10.}   What is the result?()   Which thefollowingstatements about static inner classes is true?() 使用下列哪些关键字可以判定实参的具体类型?()      10. class Line {  11. public static class Point { }  12. }  13.  14. class Triangle {  15. // insert code here  16. }  Which code, inserted at line 15, creates an instance of the Point class defined in Line?()  如何设定包访问级的成员函数或成员变量()   以下关于File类的叙述,哪两项正确?()   Given the security constraint in a DD:// 101. 102. 103.Foo 104./Bar/Baz/* 105.POST 106. 107. 108.DEVELOPER 109. 110. And given that "MANAGER" is a valid role-name,which four are true for this security constraint?() class Ifs{   public static void main(String[] args){   boolean state=false;   int i=1;   if((++i>1)&&(state=true))   i++;   System.out.println(i);  }  } 结果是()   类与类之间的关系包括()