[Q161-Q175] The 1z0-808 PDF Dumps Greatest for the Oracle Exam Study Guide!

Q161. Given the code fragment:

What is the result?

Q162. You are developing a banking module. You have developed a class named ccMask that has a maskcc method.
Given the code fragment:

You must ensure that the maskcc method returns a string that hides all digits of the credit card number except the four last digits (and the hyphens that separate each group of four digits).
Which two code fragments should you use at line n1, independently, to achieve this requirement?

Q163. Given the code fragment:

Which three lines fail to compile?

Q164. What is the name of the Java concept that uses access modifiers to protect variables and hide them within a class?

Q165. Given:

Q166. Given:

What is the result?

Q167. Given:

What is the result?

Q168. Given the code fragment:

Which code fragment, when inserted at line 3, enables the code to print 10:20?
A:

B:

C:

D:

Q169. Given:
public class String1 {
public static void main(String[] args) {
String s = “123”;
if (s.length() >2)
s.concat(“456”);
for(int x = 0; x <3; x++)
s += “x”;
System.out.println(s);
}
}
What is the result?

Q170. Given:

What is the result?

Q171. Given the fragment:
String[][] arra = new String[3][];
arra[0] = new String[]{“rose”, “lily”};
arra[1] = new String[]{“apple”, “berry”,”cherry”,”grapes”};
arra[0] = new String[]{“beans”, “carrot”,”potato”};
// insert code fragment here
Which code fragment when inserted at line ‘// insert code fragment here’, enables the code to successfully change arra elements to uppercase?

Q172. Given the code fragment:

What is the result?

Q173. Given:

Which code fragment can replace the if block?
A:

B:

C:

D:

Q174. Given:

What is the result?

Q175. Given the code fragment:

What is the result?