Free 1z1-808 Questions for Oracle 1z1-808 Exam [Jun-2024]
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NEW QUESTION # 119
Given the code fragment:
float x = 22.00f % 3.00f;
int y = 22 % 3;
System.out.print(x + ", "+ y);
What is the result?
- A. 1.0, 1
- B. 1.0f, 1
- C. An exception is thrown at runtime
- D. 7.33, 7
- E. Compilation fails
Answer: A
NEW QUESTION # 120
Which three statements are true about the structure of a Java class?
- A. The methods are mandatory components of a class.
- B. A class can have overloaded static methods.
- C. A public class must have a main method.
- D. A class can have only one private constructor.
- E. The fields need not be initialized before use.
- F. A method can have the same name as a field.
Answer: D,E,F
NEW QUESTION # 121
Given:
Which action fixes the compiler error?
- A. At line 17, add throws AccessViolationException
- B. At line 2, replace throws LogFileException with throws AccessViolationException
- C. At line 7, insert throw new LogFileException ();
- D. At line 13, add throws LogFileException
Answer: C
NEW QUESTION # 122
Given:
public class MyFor {
public static void main(String[] args) {
for (int ii = 0; ii < 4; ii++) {
System.out.println("ii = "+ ii);
ii = ii +1;
}
}
}
What is the result?
- A. ii =
- B. ii = 0 ii = 1 ii = 2 ii = 3
- C. Compilation fails.
- D. ii = 0 ii = 2
Answer: D
NEW QUESTION # 123
Given the code fragment:
What is the result?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
Explanation:
NEW QUESTION # 124
Given:
And the commands:
Javac Test.java
Java Test 12345
What is the result?
- A. A NullPointerException is thrown at runtime
- B. AnArrayIndexOutOfBoundException is thrown at runtime.
- C. Number us : 12345
- D. A NumberFormatException is thrown at runtime
Answer: B
NEW QUESTION # 125
Given the code fragment:
What is the result?
- A. A DateTimeException is thrown at runtime.
- B. 2012-02-10
- C. Compilation fails
- D. 2012-02-11
Answer: A
NEW QUESTION # 126
Given this class:
And given this main method, located in another class:
Which three lines, when inserted independently at line n1, cause the program to print a 0 balance?
- A. acct.setAmount(-acct.getAmount());
- B. acct.setAmount(0);
- C. acct.changeAmount(0); <option F earlier>
- D. acct.getAmount() = 0; <option E earlier>
- E. acct.amount = 0; <option D earlier>
- F. this.amount = 0; <option A earlier>
- G. acct.changeAmount(-acct.amount); <option G earlier>
Answer: C,D,E
NEW QUESTION # 127
Given the code fragment:
Which code fragment, when inserted at line n1, enables the App class to print Equal?
- A. Option A
- B. Option C
- C. Option D
- D. Option B
Answer: D
NEW QUESTION # 128
Given:
What is the result?
- A. 100 0 : 100 0 :
- B. 100 200 : 100 0 :
- C. 100 200 : 100 200 :
- D. 100 0 : 100 200:
Answer: B
NEW QUESTION # 129
Given the code fragment:
Which code fragment prints red: blue: small: medium?
- A. Option A
- B. Option B
- C. Option D
- D. Option C
Answer: C
NEW QUESTION # 130
Given the code fragment:
What could expression1 and expression2 be, respectively, in order to produce output ?, 16?
- A. A+ +, - - b
- B. + +a, - -b
- C. A + +, b - -
- D. + +a, b- -
Answer: D
NEW QUESTION # 131
Given the code fragment:
Which modification enables the code to print 54321?
- A. At line7, insert x --;
- B. Replace line 12 With return (x > 0) ? false: true;
- C. Replace line 6 with System, out. print (--x) ;
- D. Replace line 6 with --x; and, at line 7, insert system, out.print (x);
Answer: C
NEW QUESTION # 132
Given:
What is the result?
- A. Option A
- B. Option B
- C. Option D
- D. Option C
Answer: C
NEW QUESTION # 133
Given:
package p1;
public interface DoInterface {
void method1(int n1); // line n1
}
package p3;
import p1.DoInterface;
public class DoClass implements DoInterface {
public DoClass(int p1) { }
public void method1(int p1) { } // line n2
private void method2(int p1) { } // line n3
}
public class Test {
public static void main(String[] args) {
DoInterface doi= new DoClass(100); // line n4
doi.method1(100);
doi.method2(100);
}
}
Which change will enable the code to compile?
- A. Changing the private modifier on the declaration of method 2 public at line n3
- B. Changing the line n4 DoClass doi = new DoClass ( );
- C. Adding the public modifier to the declaration of method1 at line n1
- D. Removing the public modifier from the definition of method1 at line n2
Answer: A
Explanation:
Private members (both fields and methods) are only accessible inside the class they are declared or inside inner classes. private keyword is one of four access modifier provided by Java and its a most restrictive among all four
E.g. public, default(package), protected and private.
http://javarevisited.blogspot.com/2012/03/private-in-java-why-should-you- always.html#ixzz3Sh3mOc4D
NEW QUESTION # 134
Given this class:
Which two changes would encapsulate this class and ensure that the area field is always equal to length * heightwhenever the Rectangle class is used?
- A. Call the setArea method at the beginning of the setLength method.
- B. Change the area field to public.
- C. Call the setArea method at the beginning of the setHeight method.
- D. Call the setArea method at the end of the setHeight method.
- E. Change the setArea method to private.
- F. Call the setArea method at the end of the setLength method.
Answer: D,F
NEW QUESTION # 135
Given the code fragments:
Which modification enables the code to compile?
- A. Option A
- B. Option B
- C. Option D
- D. Option C
Answer: D
NEW QUESTION # 136
......
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