• Placement Questions
• /
• Java
• /
• Programming
• /
• Definition

Java Programming - Definition Technical Interview Questions

(#M40147204) JAVA QUESTION Interfaces Keep an EYE

What is the default modifier for variables declared in interfaces.

Asked In Java Vaishali (10 years ago)

Unsolved Read Solution (13)

Is this Puzzle helpful?   (8)   (3) Submit Your Solution Definition

(#M40101790) JAVA QUESTION JDBC Drivers Keep an EYE

Which is the best driver out of below??
a)JDBC-ODBC(Type1)
b)native API(Type2)
c)Network protocol(Type3)
d)native protocol(Type4)

Asked In Java Anil kumar B B (10 years ago)

Unsolved Read Solution (23)

Is this Puzzle helpful?   (19)   (6) Submit Your Solution Definition

(#M40033077) JAVA QUESTION Keep an EYE

What is the java execute file

Asked In Java sabitha (11 years ago)

Unsolved Read Solution (22)

Is this Puzzle helpful?   (23)   (8) Submit Your Solution Definition

(#M40032819) JAVA QUESTION Keep an EYE

can we declare a subclass as a public
whose upper class has already been declared as private?

Asked In Java (11 years ago)

Unsolved Read Solution (10)

Is this Puzzle helpful?   (11)   (9) Submit Your Solution Definition

(#M40029424) JAVA QUESTION java Keep an EYE

Q. What is HashMap and Map?

A. Map is Interface and Hashmap is class that implements that.

Asked In Java MAN (12 years ago)

Unsolved Read Solution (1)

Is this Puzzle helpful?   (0)   (0) Submit Your Solution Definition

(#M40029421) JAVA QUESTION java Keep an EYE

Q. What is the purpose of Void class?

A. The Void class is an uninstantiable placeholder class to hold a reference to the Class object representing the primitive Java type void.

Asked In Java MAN (12 years ago)

Unsolved

Is this Puzzle helpful?   (1)   (0) Submit Your Solution Definition

(#M40029420) JAVA QUESTION java Keep an EYE

Q. What is mutable object and immutable object?

A. If a object value is changeable then we can call it as Mutable object. (Ex., String Buffer, If you are not allowed to change the value of an object, it is immutable object. (Ex., String, Integer, Float, -)

Asked In Java MAN (12 years ago)

Unsolved Read Solution (1)

Is this Puzzle helpful?   (0)   (0) Submit Your Solution Definition

(#M40029419) JAVA QUESTION java Keep an EYE

Q. What is the difference between yielding and sleeping?

A. When a task invokes its yield() method, it returns to the ready state. When a task invokes its sleep() method, it returns to the waiting state.

Asked In Java MAN (12 years ago)

Unsolved

Is this Puzzle helpful?   (1)   (0) Submit Your Solution Definition

(#M40029417) JAVA QUESTION java Keep an EYE

Q. What is the difference between error and an exception?

A. An error is an irrecoverable condition occurring at runtime. Such as OutOfMemory error. These JVM errors and you can not repair them at runtime. While exceptions are conditions that occur because of bad input etc. e.g. FileNotFoundException will be thrown if the specified file does not exist. Or a NullPointerException will take place if you try using a null reference. In most of the cases it is possible to recover from an exception (probably by giving user a feedback for entering proper values etc.).

Asked In Java MAN (12 years ago)

Unsolved Read Solution (2)

Is this Puzzle helpful?   (2)   (0) Submit Your Solution Definition

(#M40029416) JAVA QUESTION java Keep an EYE

Q. What are runtime exceptions?

A. Runtime exceptions are those exceptions that are thrown at runtime because of either wrong input data or because of wrong business logic etc. These are not checked by the compiler at compile time.

Asked In Java MAN (12 years ago)

Unsolved

Is this Puzzle helpful?   (0)   (0) Submit Your Solution Definition