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Oracle 1Z0-501 Exam Syllabus Topics:

Oracle Java Certified Programmer Sample Questions:

1. Which constructs a DataOutputStream?

A) New dataOutputStream(new file("out.txt"));
B) New dataOutputStream(new OutputStream("out.txt"));
C) New dataOutputStream("out.txt");
D) New dataOutputStream(new FileOutputStream("out.txt"));
E) New dataOutputStream(new FileWriter("out.txt"));
F) New dataOutputStream(new writer("out.txt"));

2. Exhibit:
ClassOne.java
1. package com.abc.pkg1;
2. public class ClassOne {
3. private char var = 'a';
4. char getVar() {return var;}
5. } ClassTest.java
1 . package com.abc.pkg2;
2 . import com.abc.pkg1.ClassOne;
3 . public class ClassTest extends ClassOne {
4 . public static void main(String[]args){
5 .char a = new ClassOne().getVar();
6 .char b = new ClassTest().getVar();
7 .}
8 . }
What is the result?

A) Compilation will fail.
B) Compilation succeeds but an exception is thrown at line 6 in ClassTest.java.
C) Compilation succeeds and no exceptions are thrown.
D) Compilation succeeds but an exception is thrown at line 5 in ClassTest.java.

3. Which will declare a method that is available to all members of the same package and can be referenced without an instance of the class?

A) Public abstract double methoda();
B) Static void methoda(double d1){}
C) Protected void methoda(double d1) {}
D) Public native double methoda() {}
E) Abstract public void methoda();

4. Given:
3 . int i= 1, j= 10 ;
4 . do (
5 . if (i++> --j) continue;
6 . ) while (i<5);
After execution, what are the values for I and j?

A) i = 5 and j= 5
B) i = 6 and j= 4
C) i = 6 and j= 6
D) i = 6 and j= 5
E) i = 5 and j= 6

5. Which is a method of the MouseMotionListener interface?

A) Public boolean mouseDragged(MouseEvent)
B) Public boolean mouseDragged(MouseMotionEvent)
C) Public boolean MouseDragged(MouseMotionEvent)
D) Public void mouseDragged(MouseEvent)
E) Public void mouseDragged(MouseMotionEvent)

Solutions: