More than 3000 questions in repository. There are more than 900 unanswered questions. Click here and help us by providing the answer. Have a video suggestion. Click Correct / Improve and please let us know.
Q3331. Which of the following is false about Constructors ?
a. Constructor can be overloaded b. A no argument constructor is provided by the compiler if we declare only constructors with arguments. c. Constructors shouldn't have any return types , not even void. d. If super is not explicitly called, still super() is intrinsically added by the compiler.
Q3334. Which of the following is not true for final variables ?
a. They cannot be changed after initialization b. They can be initialized within static method c. They can be declared and initialized together at the same place d. They can be initialized within constructor
Ans. They can be initialized within static method
Help us improve. Please let us know the company, where you were asked this question :
Q3337. Which of the following is false about var args ?
a. Var Args argument should have data type followed by three dots b. Three dots should be consecutive and not separated by even space c. We cannot have space before and after the dots d. If there is a var args in the method, it should be only one and the last one.
Ans. We cannot have space before and after the dots
Help us improve. Please let us know the company, where you were asked this question :
Q3349. Which of the following do you think is the primary reason you would never use a static class even the application doesn't need multiple requests or threads ?
a. Serialization
b. Runtime Polymorphism
c. Lazy Loading
d. Memory
Ans. Runtime Polymorphism
Help us improve. Please let us know the company, where you were asked this question :
a. A Sequence File contains a binary encoding of an arbitrary number of homogeneous writable objects. b. A Sequence File contains a binary encoding of an arbitrary number key-value pairs. Each key must be the same type. Each value must be of same type. c. A Sequence File contains a binary encoding of an arbitrary number of heterogeneous writeable objects. d. A Sequence File contains a binary encoding of an arbitrary number of Writable Comparable objects, in sorted order.
Ans. A Sequence File contains a binary encoding of an arbitrary number key-value pairs. Each key must be the same type. Each value must be of same type.
Help us improve. Please let us know the company, where you were asked this question :
a. One Key and One Value b. Multiple Keys and Multiple associated Values c. Multiple Keys and One associated values with each d. One key and associated values.
Ans. One key and associated values.
Help us improve. Please let us know the company, where you were asked this question :
More than 3000 questions in repository.
Discuss 
java oops constructor
Try 2 Question(s) Test
Asked in 2 Companies 
basic
Rarely asked as it was introduced with Java 8.
rare
What will be the output of following code ?
