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Exam Code: 310-025
Exam Name: SUN (Sun Java Certified Programmer)
One year free update, No help, Full refund!
Total Q&A: 160 Questions and Answers
Last Update: 2014-01-24
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NO.1 )
What is the decimal value of j at line 5?
A. 0
B. 1
C. 14
D. -15
E. An error at line 3 causes compilation to fail.
F. An error at line 4 causes compilation to fail.
Answer.C
2.Given.Integer i = new Integer (42); Long 1 = new Long (42); Double d = new Double (42.0); Which two
expressions evaluate to True? (Choose Two)
A. (i ==1)
B. (i == d)
C. (d == 1)
D. (i.equals (d))
E. (d.equals (i))
F. (i.equals (42))
Answer.D, E
3.Exhibit .
1. public class test (
2. private static int j = 0;
3.
4. private static boolean methodB(int k) (
5. j += k;
6. return true;
1. )
2.
3. public static void methodA(int i) {
4. boolean b.
5. b = i < 10 | methodB (4);
6. b = i < 10 || methodB (8);
7. )
SUN 310-025 original questions 310-025 exam simulations 310-025 exam 310-025
NO.2 System.out.printLn (textString + textBuffer);
SUN 310-025 original questions 310-025 exam simulations 310-025 exam 310-025
NO.3 methodA (0);
SUN 310-025 original questions 310-025 exam simulations 310-025 exam 310-025
NO.4 Given.
1. public class foo {
2. public static void main (String[]args) {
3. String s;
4. system.out.printIn ("s=" + s);
5. }
6. }
What is the result?
A. The code compiles and "s=" is printed.
B. The code compiles and "s=null" is printed.
C. The code does not compile because string s is not initialized.
D. The code does not compile because string s cannot be referenced.
E. The code compiles, but a NullPointerException is thrown when toString is called.
Answer.C
SUN 310-025 original questions 310-025 exam simulations 310-025 exam 310-025
NO.5 int j = ~i;
SUN 310-025 original questions 310-025 exam simulations 310-025 exam 310-025
NO.6 Given.
1. int index = 1;
2. int [] foo = new int [3]; 10.int bar = foo [index]; 11.int baz = bar + index; What is the result?
A. Baz has the value of 0
B. Baz has the value of 1
C. Baz has the value of 2
D. An exception is thrown.
E. The code will not compile.
Answer.B
SUN 310-025 original questions 310-025 exam simulations 310-025 exam 310-025
NO.7 Given.
1. public class test (
SUN 310-025 original questions 310-025 exam simulations 310-025 exam 310-025
NO.8 Given.
1. abstract class abstrctIt {
2. abstract float getFloat ();
3. )
4. public class AbstractTest extends AbstractIt {
5. private float f1= 1.0f;
6. private float getFloat () {return f1;}
7. }
What is the result?
A. Compilation is successful.
B. An error on line 6 causes a runtime failure.
C. An error at line 6 causes compilation to fail.
D. An error at line 2 causes compilation to fail.
Answer.C
SUN 310-025 original questions 310-025 exam simulations 310-025 exam 310-025
NO.9
SUN 310-025 original questions 310-025 exam simulations 310-025 exam 310-025
NO.10 stringReplace (textString);
SUN 310-025 original questions 310-025 exam simulations 310-025 exam 310-025
NO.11 int i = 0xFFFFFFF1;
SUN 310-025 original questions 310-025 exam simulations 310-025 exam 310-025
NO.12 }
SUN 310-025 original questions 310-025 exam simulations 310-025 exam 310-025
NO.13 Which will declare a method that forces a subclass to implement it?
A. Public double methoda();
B. Static void methoda (double d1) {}
C. Public native double methoda();
D. Abstract public void methoda();
E. Protected void methoda (double d1){}
Answer.D
SUN 310-025 original questions 310-025 exam simulations 310-025 exam 310-025
NO.14 Which declaration prevents creating a subclass of an outer class?
A. Static class FooBar{}
B. Private class FooBar{}
C. Abstract public class FooBar{}
D. Final public class FooBar{}
E. Final abstract class FooBar{}
Answer.D
SUN 310-025 original questions 310-025 exam simulations 310-025 exam 310-025
NO.15 }
SUN 310-025 original questions 310-025 exam simulations 310-025 exam 310-025
NO.16 Given.
1. class super {
2. public float getNum() {return 3.0f;}
3. )
4.
5. public class Sub extends Super {
6.
7. )
Which method, placed at line 6, will cause a compiler error?
A. Public float getNum() {return 4.0f; }
B. Public void getNum () { }
C. Public void getNum (double d) { }
D. Public double getNum (float d) {retrun 4.0f; }
Answer.B
SUN 310-025 original questions 310-025 exam simulations 310-025 exam 310-025
NO.17 public static void main (String args[]) {
SUN 310-025 original questions 310-025 exam simulations 310-025 exam 310-025
NO.18 Given.
1. public class test(
2. public static void main(string[]args){
3. string foo = args [1];
4. string foo = args [2];
5. string foo = args [3];
6. }
7. } And command line invocation.Java Test red green blue What is the result?
A. Baz has the value of ""
B. Baz has the value of null
C. Baz has the value of "red"
D. Baz has the value of "blue"
E. Bax has the value of "green"
F. The code does not compile.
G. The program throws an exception.
Answer.G
SUN 310-025 original questions 310-025 exam simulations 310-025 exam 310-025
NO.19 )
What is the result?
A. The program prints "0"
B. The program prints "4"
C. The program prints "8"
D. The program prints "12"
E. The code does not complete.
Answer.B
4.Given
1. Public class test (
2. Public static void main (String args[]) (
3. System.out.printIn (6
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