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Q81. Given the code fragment:
What is the result?
A. 10 : 10
B. 5 : 5
C. 5 : 10
D. Compilation fails
Answer: A
Q82. Given the code fragment?
public class Test {
public static void main(String[] args) {
Test t = new Test();
int[] arr = new int[10];
arr = t.subArray(arr,0,2);
}
// insert code here
}
Which method can be inserted at line // insert code here to enable the code to compile?
A. public int[] subArray(int[] src, int start, int end) {
return src;
}
B. public int subArray(int src, int start, int end) {
return src;
}
C. public int[] subArray(int src, int start, int end) {
return src;
}
D. public int subArray(int[] src, int start, int end) {
return src;
}
Answer: A
Q83. Given:
Which of the following is equivalent to the above code fragment?
A. System.out.printLn(x>10?">,': "<":,'=");
B. System.out.println(x>10? ">"?"<":"=");
C. System.out.println(x>10?">":x<10?"<":"=");
D. System.out.printLn(x>10?">"?,'<"?"=");
E. None of the above
Answer: B
Explanation:
Option A is incorrect as we can't use abstract with non abstract method, (here method has method body.) Option C is incorrect as when overriding method we can't use more restrictive access modifier, so trying to use private to override default access Level method causes a compile time error. Option D is incorrect as default methods (not methods with default access level) are allowed only in interfaces. Option E is incorrect as method all ready has void as return type, so we can't add int there. Option B is correct as we can use final there, since the method is non abstract
https://docs.oracle.com/javase/tutorial/java/landl/polymorphism.html
Q84. Given the following class declarations:
public abstract class Animal
public interface Hunter
public class Cat extends Animal implements Hunter
public class Tiger extends Cat
Which answer fails to compile?
A. Option A
B. Option B
C. Option C
D. Option D
E. Option E
Answer: E
Explanation: Look at the right side of the declaration ArrayLIst() rather than ArrayList
Q85. Given the following array:
Which two code fragments, independently, print each element in this array?
A. Option A
B. Option B
C. Option C
D. Option D
E. Option E
F. Option F
Answer: B,E
Explanation: All the remaining options have syntax errors
Down to date 1z0-808 test engine:
Q86. int [] array = {1,2,3,4,5};
for (int i: array) {
if ( i < 2) {
keyword1 ;
}
System.out.println(i);
if ( i == 3) {
keyword2 ;
}}
What should keyword1 and keyword2 be respectively, in oreder to produce output 2345?
A. continue, break
B. break, break
C. break, continue
D. continue, continue
Answer: D
Q87. Given:
What is the result?
A. Area is 6.0
B. Area is 3.0
C. Compilation fails at line n1
D. Compilation fails at line n2.
Answer: D
Q88. Given the code fragment:
What is the result?
A. A B C
B. A B C D E
C. A B D E
D. Compilation fails.
Answer: C
Q89. Given:
What is the result?
A. Good Day! Good Luck!
B. Good Day! Good Day!
C. Good Luck! Good Day!
D. Good Luck! Good Luck!
E. Compilation fails
Answer: E
Q90. Give:
What is the result?
A. 1525
B. 13
C. Compilation fails
D. An exception is thrown at runtime
E. The program fails to execute due to runtime error
Answer: D