多选题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

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多选题

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）； } }

win.setLayout（new BorderLayout（））； win.add（but）；

win.setLayout（new GridLayout（1， 1））； win.add（but）；

win.setLayout（new BorderLayout（））； win.add（but， BorderLayout.CENTER）；

win.add（but）；

win.setLayout（new FlowLayout（））； win.add（but）；

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Given:Which three methods, inserted individually at line 14, will correctly complete class Two?()

A.int foo() { /* more code here */ }

B.void foo() { /* more code here */ }

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B.The code on line 29 will be executed.

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D.The code on line 5 of class B will execute.

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正确答案:A,D

Given the following code， which code fragments， when inserte

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