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Oracle 1Z0-501 Exam Syllabus Topics:

Oracle Java Certified Programmer Sample Questions:

1. Exhibit:
1 . public class X {
2 . public static void main (String[]args){
3 . int [] a = new int [1]
4 . modify(a);
5 . System.out.printIn(a[0]);
6 .}
7 .
8 . public static void modify (int[] a){
9 .a[0] ++;
1 0.}
1 1. }
What is the result?

A) The program runs and prints "0"
B) An error "possible undefined variable" at line 4 causes compilation to fail.
C) The program runs but aborts with an exception.
D) The program runs and prints "1"
E) An error "possible undefined variable" at line 9 causes compilation to fail.

2. Which two statements are true? (Choose Two)

A) An anonymous inner class can be declared as protected.
B) An anonymous inner class can extend an abstract class.
C) An inner class may be declared as static.
D) An anonymous inner class can be declared as private.
E) An anonymous inner class can be declared as public.

3. Which gets the name of the parent directory file "file.txt"?

A) String name= (new File("file.txt")).getParentFile();
B) String name = (new File("file.txt")).getParentName();
C) String name= File.getParentName("file.txt");
D) String name= (new File("file.txt")).getParent();
E) Directory dir=(new File ("file.txt")).getParentDir();
String name= dir.getName();

4. Which can be used to encode charS for output?

A) Java.io.EncodeOutputStream.
B) Java.io.OutputStreamWriter.
C) Java.io.EncodeWriter.
D) Java.io.OutputStream.
E) Java.io.BufferedOutputStream.

5. Given:
1 . public class test (
2 . public static void main (String args[]){
3 .int i = 0xFFFFFFF1;
4 .int j = ~i;
5 .
6 .}
7 . )
What is the decimal value of j at line 5?

A) 14
B) 1
C) An error at line 3 causes compilation to fail.
D) An error at line 4 causes compilation to fail.
E) 0
F) -15

Solutions: