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2021 Jun 1Z0-803 Study Guide Questions:
Q61. Given:
Given the code fragment:
What is the result?
A. 10 20 30 40
B. 0 0 30 40
C. Compilation fails
D. An exception is thrown at runtime
Answer: A
Q62. Which code fragment cause a compilation error?
A. flat flt = 100F;
B. float flt = (float) 1_11.00;
C. float flt = 100;
D. double y1 = 203.22; floatflt = y1
E. int y2 = 100; floatflt = (float) y2;
Answer: B
Q63. Given:
Class A { }
Class B { }
Interface X { }
Interface Y { }
Which two definitions of class C are valid?
A. Class C extends A implements X { }
B. Class C implements Y extends B { }
C. Class C extends A, B { }
D. Class C implements X, Y extends B { }
E. Class C extends B implements X, Y { }
Answer: AE
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Q64. Given the code fragment:
Which code fragment, when inserted at // insert code here, enables the code to compile and and print a b c?
A. List update (String[] strs)
B. Static ArrayListupdate(String [] strs)
C. Static List update (String [] strs)
D. Static void update (String[] strs)
E. ArrayList static update(String [] strs)
Answer: E
Q65. Given:
class X {}
class Y { Y ( ) { } }
class Z { Z (int i ) { } }
Which class has a default constructor?
A. X only
B. Y only
C. Z only
D. X and Y
E. Y and Z
F. X and Z
G. X, Y and Z
Answer: A
Q66. Given:
What three modifications, made independently, made to class greet, enable the code to compile and run?
A. line 6 replaced with handy.dandy.keystroke stroke = new KeyStroke ( );
B. line 6 replaced with handy.*.KeyStroke = new KeyStroke ( );
C. line 6 replaced with handy.dandy.KeyStroke Stroke = new handy.dandy.KeyStroke();
D. import handy.*; added before line 1
E. import handy.dandy.*; added after line 1
F. import handy.dandy,KeyStroke; added after line 1
G. import handy.dandy.KeyStroke.typeException(); added before line 1
Answer: CEF
Certified 1z0-803 sample exam:
Q67. public class StringReplace {
public static void main(String[] args) {
String message = "Hi everyone!";
System.out.println("message = " + message.replace("e", "X")); }
}
What is the result?
A. message = Hi everyone!
B. message = Hi XvXryonX!
C. A compile time error is produced.
D. A runtime error is produced.
E. message =
F. message = Hi Xveryone!
Answer: B
Q68. Given:
What should statement1, statement2, and statement3, be respectively, in order to produce the result?
Shape: constructor
Square: foo
Shape: foo
A. Option A
B. Option B
C. Option C
D. Option D
E. Option E
Answer: D
Q69. Given:
How many times is 2 printed as a part of the output?
A. Zero
B. Once
C. Twice
D. Thrice
E. Compilation fails.
Answer: D
Q70. Given:
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