多项选择题
A. float getVar() { return x; }
B. public float getVar() { return x; }
C. public double getVar() { return x; }
D. protected float getVar() { return x; }
E. public float getVar(float f) { return f; }
多项选择题 Whichthreedemonstratean“isa”relationship?()
单项选择题 try { if ((new Object))(.equals((new Object()))) { System.out.println(“equal”); }else{ System.out.println(“not equal”); } }catch (Exception e) { System.out.println(“exception”); } What is the result? ()
单项选择题 public class Test { public static void main(String [] args) { System.out.println(args.length > 4 &&  args[4].equals(“-d”)); } } If the program is invoked using the command line: java Test One Two Three –d What is the result?()