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Q91. 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
Q92. Given:
What is the result?
A. 10 : 22 : 20
B. 10 : 22 : 22
C. 10 : 22 : 6
D. 10 : 30 : 6
Answer: B
Q93. Given:
What is the result?
A. hEllOjAvA!
B. Hello java!
C. Out of limits hEllOjAvA!
D. Out of limits
Answer: D
Q94. 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
Q95. Given:
What is the result?
A. Null
B. Compilation fails
C. An exception is thrown at runtime
D. 0
Answer: A
Q96. 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
Q97. Given:
public class SampleClass {
public static void main(String[] args) {
AnotherSampleClass asc = new AnotherSampleClass(); SampleClass sc = new
SampleClass();
sc = asc;
System.out.println("sc: " + sc.getClass());
System.out.println("asc: " + asc.getClass());
}}
class AnotherSampleClass extends SampleClass {
}
What is the result?
A. sc: class Object asc: class AnotherSampleClass
B. sc: class SampleClass asc: class AnotherSampleClass
C. sc: class AnotherSampleClass asc: class SampleClass
D. sc: class AnotherSampleClass asc: class AnotherSampleClass
Answer: D