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Q81. Given the code fragment:
int b = 3;
Oracle 1z0-803 : Practice Test
if ( !(b > 3)) {
System.out.println("square ");
}{
System.out.println("circle ");
}
System.out.println("...");
What is the result?
A. square...
B. circle...
C. squarecircle...
D. Compilation fails.
Answer: C
Q82. Given the fragment:
What is the result?
A. 13480.0
B. 13480.02
C. Compilation fails
D. An exception is thrown at runtime
Answer: C
Q83. Which two may precede the word ‘class’ in a class declaration?
A. local
B. public
C. static
D. volatile
E. synchronized
Answer: BC
Q84. Given the code in a file Traveler.java:
And the commands:
Javac Traveler.java
Java Traveler Java Duke
What is the result?
A. Happy Journey! Duke
B. Happy Journey! Java
C. An exception is thrown at runtime
What is the result?
D. The program fails to execute due to a runtime error
Answer: D
Q85. Given the code fragment:
What is the result?
A. Found Red
B. Found Red
Found Blue
C. Found Red
Found Blue
Found White
D. Found Red
Found Blue
Found White
Found Default
Answer: B
Q86. What is the result?
A. They match They really match
B. They really match
C. They match
D. Nothing Prints
E. They really match They really match
Answer: B
Q87. Given:
Which statement, when inserted into line 5, is valid change?
A. asc = sc;
B. sc = asc;
C. asc = (object) sc;
D. asc = sc.clone ()
Answer: B
Q88. Given the code fragment:
What is the result?
A. 2 2
B. 1 2
C. 3 2
D. 3 3
Answer: A
Q89. class Overloading {
int x(double d) {
System.out.println("one");
return 0;
}
String x(double d) {
System.out.println("two");
return null;
}
double x(double d) {
System.out.println("three");
return 0.0;
}
public static void main(String[] args) {
new Overloading().x(4.0);
}
}
What is the result?
A. One
B. Two
C. Three
D. Compilation fails.
Answer: D
Q90. public class ForTest {
public static void main(String[] args) {
int[] arrar = {1,2,3};
for ( foo ) {
}
}
}
Which three are valid replacements for foo so that the program will compiled and run?
A. int i: array
B. int i = 0; i < 1; i++
C. ;;
D. ; i < 1; i++
E. ; i < 1;
Answer: ABC