多项选择题
A. int ia = new int [15];
B. float fa = new float [20];
C. char ca = “Some String”;
D. Object oa = new float[20];
E. Int ia = (4, 5, 6) (1, 2, 3)
单项选择题 public class Test { public static void main (String args) { class Foo { public int i = 3; } Object o = (Object) new Foo(); Foo foo = (Foo)o; System.out.printIn(foo. i); } } What is the result?()
多项选择题 Whichtwodeclarationspreventtheoverridingofamethod?()
多项选择题 public class OuterClass { private double d1 1.0; //insert code here } You need to insert an inner class declaration at line2. Which two inner class declarations are valid?()