Download Java SE 7 Programmer I.1Z0-803.ExamDumps.2017-06-06.213q.tqb

Vendor: Oracle
Exam Code: 1Z0-803
Exam Name: Java SE 7 Programmer I
Date: Jun 06, 2017
File Size: 21 MB
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Demo Questions

Question 1
Given:
public class App {
// Insert code here
System.out.print("Welcome to the world of Java");
}
}
Which two code fragments, when inserted independently at line // Insert code here, enable the program to execute and print the welcome message on the screen?
  1. static public void main (String [] args) {
  2. static void main (String [] args) {
  3. public static void Main (String [] args) {
  4. public static void main (String [] args) {
  5. public void main (String [] args) {
Correct answer: AD
Explanation:
Incorrect:Not B: No main class found.Not C: Main method not found notE: Main method is not static.
Incorrect:
Not B: No main class found.
Not C: Main method not found not
E: Main method is not static.
Question 2
Given the code fragment:
public class Test {
public static void main(String[] args) {
boolean isChecked = false;
int arry[] = {1,3,5,7,8,9};
int index = arry.length;
while ( <code1> ) {
if (arry[index-1] % 2 ==0) {
isChecked = true;
}
<code2>
}
System.out.print(arry(index]+", "+isChecked));
}
}
Which set of changes enable the code to print 1, true?
  1. Replacing <code1> with index > 0 and replacing <code2> with index-;
  2. Replacing <code1> with index > 0 and replacing <code2> with -index;
  3. Replacing <code1> with index > 5 and replacing <code2> with -index ;
  4. Replacing <code1> with index and replacing <code2> with -index ;
Correct answer: A
Explanation:
Note: Code in B (code2 is -index;). also works fine.
Note: Code in B (code2 is -index;). also works fine.
Question 3
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?
  1. Found 3 at 2
  2. Found 3 at 3
  3. Compilation fails
  4. An exception is thrown at runtime
Correct answer: C
Explanation:
The following line does not compile:System.out.print("Found " + key + "at " + pos);The variable pos is undefined at this line, as its scope is only valid in the for loop.Any variables created inside of a loop are LOCAL TO THE LOOP.
The following line does not compile:
System.out.print("Found " + key + "at " + pos);
The variable pos is undefined at this line, as its scope is only valid in the for loop.
Any variables created inside of a loop are LOCAL TO THE LOOP.
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