Difference between boolean & operator and && operator, How can we define th...

How can we define the difference between the Boolean & operator and the && operator ?

Heap and Stack memory allocation in java, Each time an object is started in...

Each time an object is started in Java it goes into the area of memory named as heap. The primitive variables like double and int are allocated in the stack, if they are local inst

Url instance and url connection instance, Difference between URL instance a...

Difference between URL instance and URL Connection instance? Ans) A URL instance shows the location of a resource, and a URL Connection instance shows a link for accessing or co

What does it mean that a method or field is static, What does it mean that ...

What does it mean that a method or field is "static"? Static variables and methods are instantiated only once per class. In other words they are class variables, not example va

Data structure, consider the file name cars.text each line in the file cont...

consider the file name cars.text each line in the file contains information about a car ( year,company,manufacture,model name,type) 1-read the file 2-add each car which is represen

Explain difference between method overriding and overloading, What is the d...

What is the difference between method overriding and overloading? Overriding is a method with the same name and arguments as in a parent, whereas overloading is the same met

Loops, #questiongfjnkdfn..

#questiongfjnkdfn..

Consumer-producer problem’,

Design a program for robot, Assume all the obstacles are of height 4 units ...

Assume all the obstacles are of height 4 units and the blocks are of heights 1 (bottom), 2 (top), 1 and 2 (top) units respectively.  Complete the control() method of the RobotContr

Inheritance, what is methods override?

what is methods override?