Question 161 · 200 in bank
What is the name of the Java concept that uses access modifiers to protect variables and hide them within a class?
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Answer: A
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1Z0-808 practice questions 161–170
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Question 162 · 200 in bank
Given the code fragment:
Which code fragment, when inserted at line n1, enables the App class to print Equal?
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Answer: B
Explanation
B is the correct option because == operator checks the same address and as str1 and str2 have different addresses but same content.
Source: Adapted from community discussion — kkaayyyy
Question 163 · 200 in bank
Given the code fragment:
What is the result?
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Answer: A
Explanation
The correct answer is A because when i = 4, arr[4] does not exist, causes the ArrayIndexOutOfBoundsException. I tested on eclipse and return this answer.
Source: Adapted from community discussion — iSnover
Question 164 · 200 in bank
Given the code fragment:
What is the result?
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Answer: D
Explanation
To add to the explanation: The JVM throws a null pointer exception because a method (concat()) is called on an object containing null. Note that the print() method does not cause JVM to throw an exception and prints null.
Source: Adapted from community discussion — Saftschnitzel
Question 165 · 200 in bank
Given:
What is the result?
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Answer: D
Explanation
this() and super() cannot both be used in the same constructor call: In a single constructor, you can either call another constructor in the same class using this() or call a constructor in the superclass using super(). You cannot use both of them in a single constructor call.
Source: Adapted from community discussion — SoNofPATEL
Question 166 · 200 in bank
Select 3Given the code fragment:
Which three lines fail to compile? (Choose three.)
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Answer: BCE
Explanation
We can't convert larger data type into smaller data type without using explicit type casting. Eg: float f=100.1f; int i=f; //we can't do this int x=(int) f; //explicit type casting we can do this
Source: Adapted from community discussion — Joker74
Question 167 · 200 in bank
Given:
What is the result?
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Answer: C
Explanation
correct. You can overload the main() method, but only public static void main(String[] args) will be used when your class is launched by the JVM.
Source: Adapted from community discussion — letmein2
Question 168 · 200 in bank
Select 2Given the code fragment:
Which two modifications, made independently, enable the code to compile? (Choose two.)
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Answer: CD
Explanation
C, D Cannot reduce the visibility of the inherited method from an abstract class. In this case, can't change resolve from protected > default But you can change it to protected > protected protected > public
Source: Adapted from community discussion — Ancient1
Question 169 · 200 in bank
Given the following code:
What are the values of each element in intArr after this code has executed?
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Answer: C
Explanation
package p1; public class Test { public static void main(String[] args) { int[] intArr = {15,30,45,60,75}; intArr[2] = intArr[4]; intArr[4] = 90; /* this is for testing code * for (int i = 0; i < intArr.length; i++) { System.out.printf("\n intArr[%d]=" * + intArr[i], i); } */ } }
Source: Adapted from community discussion — GauriKatara
Question 170 · 200 in bank
Given the content of three files:
Which statement is true?
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Answer: A
Explanation
Correct answer is A. class B won't compile as we can't have private or protected variables in a block. class C won't compile as package declaration should be first statement followed by import statement (s).
Source: Adapted from community discussion — ashwinbalu
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