310-025 Sun - Braindumps.com.ua: question list for "Sun Certified Java Programmer", page: 8

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Sun 310-025: Sun Certified Java Programmer

#71. Which statement is true?

#72. Given an ActionEvent, which method allows you to identify the affected Component?

#73. Exhibit:

 1. import java.awt.*; 
 2. 
 3. public class Test extends Frame { 
 4. public Test() { 
 5. add(new Label(“Hello”) ); 
 6. add(new TextField(“Hello”) ); 
 7. add(new Button(“Hello”) ); 
 8. pack(); 
 9. show(); 
 10. } 
 11. 
 12. public static void main(String args[]) { 
 13. new Test (); 
 14. } 
 15. )

What is the result?

#74. Exhibit:

 1. class A { 
 2. public int getNumber(int a) { 
 3. return a + 1; 
 4. } 
 5. } 
 6. 
 7. class B extends A { 
 8. public int getNumber (int a) { 
 9. return a + 2 
 10. } 
 11. 
 12. public static void main (String args[]) { 
 13. A a = new B(); 
 14. System.out.printIn(a.getNumber(0)); 
 15. } 
 16. }

What is the result?

#75. Given:

 1. class BaseClass{ 
 2. private float x= 1.0f; 
 3. protected void setVar (float f) {x = f;} 
 4. } 
 5. class SubClass exyends BaseClass { 
 6. private float x = 2.0f; 
 7. //insert code here 
 8.}

Which two are valid examples of method overriding? (Choose Two)

#76. Which statement about static inner classes is true?

#77. Given:

 1. public abstract class Test { 
 2. public abstract void methodA(); 
 3. 
 4. public abstract void methodB() 
 5. { 
 6. System.out.printIn(“Hello”); 
 7. } 
 8. }

Which three changes (made independently) allow the code to compile?(Choose Three)

#78. Which determines if “prefs ” is a directory and exists on the file system??

#79. Which two create an InputStream and open file the “file.txt ” for reading? (Choose Two)

#80. Which two construct an OutputSream that appends to the file “file.txt ”? (Choose Two)

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gen. 0.153

Server date 05:55 10-01-2009

Sun 310-025

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