310-025 Sun - Braindumps.com.ua: список вопросов для "Sun Certified Java Programmer", страница: 1

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Sun 310-025: Sun Certified Java Programmer

#1. Given:

 1. public class Test { 
 2. public static void main (String [] args) { 
 3. string foo = “blue”; 
 4. string bar = foo; 
 5. foo = “green”; 
 6. System.out.printIn(bar); 
 7. } 
 8. }

What is the result?

#2. Which code determines the int value foo closest to a double value bar?

#3. Which two demonstrate encapsulation of data?(Choose Two)

#4. Exhibit:

 1. class A { 
 2. public String toString () { 
 3. return “4”; 
 4. } 
 5. } 
 6. class B extends A { 
 7. 8. public String toString () { 
 8. return super.toString() + “3”; 
 9. } 
 10. } 
 11. public class Test { 
 12. public static void main(String[]args) { 
 13. System.out.printIn(new B()); 
 14. } 
 15.}

What is the result?

#5. Which two statements are true?(Choose Two)

#6. Given:

 1. public class MethodOver { 
 2. private int x, y; 
 3. private float z; 
 4. public void setVar(int a, int b, float c){ 
 5. x = a; 
 6. y = b; 
 7. z = c; 
 8. } 
 9. }

Which two overload the setVar method? (Choose Two)

#7. Which statements about static inner classes are true?(Choose Two)

#8. Given:

 1. public class X { 
 2. public object m () { 
 3. object o = new float (3.14F); 
 4. object [] oa = new object [1]; 
 5. oa[0]= o; 
 6. o = null; 
 7. oa[0] = null; 
 9. return o; 
 9. } 
 10. }

W hen is the float object created in line 3,eligible for garbage collection?

#9. Which two interfaces provide the capability to store objects using a key-value pair?(Choose Two)

#10. Which interface does java.util.Hashable implement?

[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] ... [16]

ген. 0.162

Дата сервера 11:30 09-01-2009

Sun 310-025