单项选择题
A.It affects which grid cell the components end up in.
B.It affects how the extra vertical space is distributed.
C.It affects the alignment of each component.
D.It affects whether the components completely fill their allotted display area vertically.
多项选择题 Which lines of code are valid declarations of a native method when occurring within the declaration of the following class?() public class Qf575 { // insert declaration of a native method here }
单项选择题 What will be written to the standard output when the following program is run?() class Base { int i; Base() { add(1); } void add(int v) { i += v; } void print() { System.out.println(i); } } class Extension extends Base { Extension() { add(2); } void add(int v) { i += v*2; } } public class Qd073 { public static void main(String args[]) { bogo(new Extension()); } static void bogo(Base b) { b.add(8); b.print(); } }
单项选择题 WhatdoesthevaluereturnedbythemethodgetID()foundinclassjava.awt.AWTEventuniquelyidentify?()