Free Oracle 1Z0-803 Exam Dumps Questions & Answers

Given:

Which code fragment, when inserted at line 7, enables the code print true?

• A.  Option A
• B.  Option C
• C.  Option D
• D.  Option B

Given:
public class MainMethod {
void main() {
System.out.println("one");
}
static void main(String args) {
System.out.println("two");
}
public static void main(String[] args) {
System.out.println("three");
}
void mina(Object[] args) {
System.out.println("four");
}
}
What is printed out when the program is excuted?

• A.  three
• B.  four
• C.  two
• D.  one

Given the code fragment:
1.ArrayList<Integer> list = new ArrayList<>(1);
2.list.add(1001);
3.list.add(1002);
4.System.out.println(list.get(list.size()));
What is the result?

• A.  Compilation fails due to an error on line 1.
• B.  An exception is thrown at run time due to error on line 4
• C.  An exception is thrown at run time due to error on line 3
• D.  1002

Given the code fragment:
StringBuilder sb = new StringBuilder ( ) ; Sb.append ("world");
Which code fragment prints Hello World?

• A.  sb.add(0,"Hello "); System.out.println(sb);
• B.  sb.set(0,"Hello "); System.out.println(sb);D
• C.  sb.insert(0,"Hello "); System.out.println(sb);
• D.  sb.append(0,"Hello "); System.out.println(sb);

Given:
public class TestLoop {
public static void main(String[] args) {
int array[] = {0, 1, 2, 3, 4};
int key = 3;
for (int pos = 0; pos < array.length; ++pos) {
if (array[pos] == key) {
break;
}
}
System.out.print("Found " + key + "at " + pos);
} }
What is the result?

• A.  Found 3 at 3
• B.  Compilation fails
• C.  Found 3 at 2
• D.  An exception is thrown at runtime