Interview Questions and Answers - Order By Rating Q61. What is the package name for CertStoreParameters class?
Ans. java.lang Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  interfaces   java   CertStoreParameters   include Q62. Which is the Parent Class of CertStoreParameters class?
Ans. Clonable Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  interfaces   java   CertStoreParameters   include Q63. Interface can only have ... a. Member elements and Methods. b. Static Variables and Static Methods. c. Static Final Variables and Instance Method Declarations. d. Member Elements , Instance Methods, Static variables and Static Methods.
Ans. Static Final Variables and Instance Method Declarations. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  java   oops   interfaces Q64. Variables of an interface are intrinsically ...
a. transient
b. final
c. public
d. static
Ans. b,c and d i.e final , public and static Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  java   interface   interface variables Q65. Which of the following doesn't extend Collection interface ? a. Set b. List c. Map d. Queue Core Java
Ans. Map Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  java   collections   collection interface Q66. Which is the Parent Class of CertStoreParameters class?
Ans. Clonable Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  interfaces   java   CertStoreParameters   include Q67. In the following code , how many methods needs to be implemented in Class B ?
public interface A{
public void method1();
public void method2();
public void method3();
}
abstract class B implements A{
} Core Java
Ans. As Class B has been declared abstract , we can either implement any of these methods and just declare rest of them abstract. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  interfaces  abstract classes  code  coding Try 2 Question(s) TestFrequently asked. Q68. What should a class do if its implementing an interface ? Core Java
Ans. It should either implement all interface methods or declare unimplemented methods as abstract. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  interfaces Asked in 1 Companies Basic   frequent Try 1 Question(s) Test Q69. Which method needs to be implemented if a class is implementing comparable interface ? Core Java
a. comp b. compare c. compareTo d. compareEqualsAns.c. compareTo
Q70. If X implements Y and Y extends Z, Which of the following initialization is correct ? Core Java
a. X x = new Y(); b. X x = new Z(); c. Z z = new Y(); d. Z z = new X();Ans.d. Z z = new X();
Q71. If class A implements X interface, and Class B implements Y interface, and X is the parent of Y, Which of the following initialization is correct ? Core Java
a. A a = new B(); b. Y y = new A(); c. X x = new B(); d. Y y = new A();Ans.c. X x = new B();
Q72. Which of the following is a Marker Interface ? Core Java
a. Runnable b. Serializable c. Cloneable d. Both Serializable and CloneableAns.d. Both Serializable and Cloneable
Q73. Which of following can be nested into another ? Core Java
a. class within another class b. class within interface c. interface within class d. All of aboveAns.d. All of above
Q74. Which of following is not core interface of Hibernate ? Hibernate
a. Session b. Transaction c. SessionFactory d. TransactionFactoryAns.d. TransactionFactory