多项选择题 Given the following code, which code fragments, when inserted at the indicated location, will succeed in making the program display a button spanning the whole window area?() import java.awt.*; public class Q1e65 { public static void main(String args[]) { Window win = new Frame(); Button but = new Button("button"); // insert code fragment here win.setSize(200, 200); win.setVisible(true); } }
单项选择题 Whichstatementsconcerningtheeffectofthestatementgfx.drawRect(5,5,10,10)aretrue,giventhatgfxisareferencetoavalidGraphicsobject?()
单项选择题 What will be written to the standard output when the following program is run?() public class Qcb90 { int a; int b; public void f() { a = 0; b = 0; int[] c = { 0 }; g(b, c); System.out.println(a + " " + b + " " + c[0] + " "); } public void g(int b, int[] c) { a = 1; b = 1; c[0] = 1; } public static void main(String args[]) { Qcb90 obj = new Qcb90(); obj.f(); } }