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Oracle 1Z0-501 Exam Overview:

Oracle 1Z0-501 Exam Syllabus Topics:

Oracle Java Certified Programmer Sample Questions:

Question 1

Given:
1 .public class ForBar {
2 .public static void main(String []args){
3 .int i = 0, j = 5;
4 .tp: for (;;){
5 .i ++;
6 .for(;;)
7 .if(i > --j) break tp;
8 .}
9 .system.out.printIn("i = " + i + ", j = "+ j);
1 0.}
1 1.}
What is the result?

A. An error at line 4 causes compilation to fail.
B. The program runs and prints "i=1, j=0"
C. The program runs and prints "i=3, j=4"
D. The program runs and prints "i=1, j=4"
E. The program runs and prints "i=3, j=0"
F. An error at line 7 causes compilation to fail.

Question 2

Exhibit:
1 . public class enclosingone (
2 . public class insideone{}
3 . )
4 . public class inertest(
5 . public static void main (string[]args)(
6 . enclosingone eo= new enclosingone ();
7 . //insert code here
8 . )
9 . )
Which statement at line 7 constructs an instance of the inner class?

A. EnclosingOne.InsideOne ei = eo.new InsideOne();
B. Eo.InsideOne ei = eo.new InsideOne();
C. InsideOnew ei= eo.new InsideOn();
D. InsideOne ei = EnclosingOne.new InsideOne();

Question 3

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 .}
1 0. }
1 1. public class Test {
1 2. public static void main(String[]args){
1 3.System.out.printIn(new B());
1 4.}
15.}
What is the result?

A. Compilation succeeds but an exception is thrown at line 9.
B. An error on line 9 causes compilation to fail.
C. An error on line 14 causes compilation to fail.
D. Compilation succeeds and 43 is printed.
E. Compilation succeeds and 4 is printed.

Question 4

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

Question 5

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();
1 0. }
1 1.
1 2. public static void main(String args[]) {
1 3.new Test ();
1 4.}
1 5. )
What is the result?

A. A Window button will appear but will not contain the Label, TextField, or Button.
B. A Window will appear containing a Label on the left, a TextField to the right of the Label, and abutton to the right of the TextField.
C. An IllegalArgumentException is thrown at line 6.
D. A Window will appear containing only a Button.
E. The code will not compile.
F. A Window will appear containing a Label at the top, a TextField below the Label, and a Buttonbelow the TextField.

Solutions: