Oracle Java SE 8 Programmer I - 1z0-808 Exam Practice Test
Given:
What is the output?
What is the output?
Correct Answer: A
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Given the code fragment:
Which code fragment, when inserted at line 9, enables the code to print true?
Which code fragment, when inserted at line 9, enables the code to print true?
Correct Answer: A
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Which statement is true about Java byte code?
Correct Answer: A
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Given:
abstract class A1 {
public abstract void m1();
public void m2() { System.out.println("Green"); }
}
abstract class A2 extends A1 {
public abstract void m3();
public void m1() { System.out.println("Cyan"); }
public void m2() { System.out.println("Blue"); }
}
public class A3 extends A2 {
public void m1() { System.out.println("Yellow"); }
public void m2() { System.out.println("Pink"); }
public void m3() { System.out.println("Red"); }
public static void main(String[] args) {
A2 tp = new A3();
tp.m1();
tp.m2();
tp.m3();
}
}
What is the result?
abstract class A1 {
public abstract void m1();
public void m2() { System.out.println("Green"); }
}
abstract class A2 extends A1 {
public abstract void m3();
public void m1() { System.out.println("Cyan"); }
public void m2() { System.out.println("Blue"); }
}
public class A3 extends A2 {
public void m1() { System.out.println("Yellow"); }
public void m2() { System.out.println("Pink"); }
public void m3() { System.out.println("Red"); }
public static void main(String[] args) {
A2 tp = new A3();
tp.m1();
tp.m2();
tp.m3();
}
}
What is the result?
Correct Answer: D
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Which two actions will improve the encapsulation of a class?
Correct Answer: A,D
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Given the code fragment:
Which option represents the state of the num array after successful completion of the outer loop?
Which option represents the state of the num array after successful completion of the outer loop?
Correct Answer: B
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