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Gold Fields Instrumentation Interview Questions
Questions Answers Views Company eMail

WHAT ARE MAIN DIFFERENCE BETWEEN DCS AND SCADA?

25497

Gold Fields Instrumentation Interview Questions

Differentiate between the print writer and servlet output stream?

386

Explain how to design a software ic using vhdl?

430

What is Pickling and unpickling?

325

Who discovered excel?

151

After normalization, what are the conditions which have to keep in mind to de-normalize it?

388

delay/sleep can be achieved through?

20

Can an anonymous function be assigned to a variable?

343

What do you think is the output of the following code fragment? Is there any error in the code ?

124

What is an adjusting journal entry?

412

3.2 Consider the following class: public class Point { protected int x, y; public Point(int xx, int yy) { x = xx; y = yy; } public Point() { this(0, 0); } public int getx() { return x; } public int gety() { return y; } public String toString() { return "("+x+", "+y+")"; } } Say you wanted to define a rectangle class that stored its top left corner and its height and width as fields. 3.2.1 Why would it be wrong to make Rectangle inherit from Point (where in fact it would inherit the x and y coordinates for its top left corner and you could just add the height and width as additional fields)? (1) 8 Now consider the following skeleton of the Rectangle class: public class Rectangle { private Point topLeft; private int height, width; public Rectangle(Point tl, int h, int w) { topLeft = tl; height = h; width = w; } public Rectangle() { this(new Point(), 0, 0); } // methods come here } 3.2.2 Explain the no-argument constructor of the Rectangle class given above. 3.2.3 Write methods for the Rectangle class to do the following: • a toString() method that returns a string of the format "top left = (x, y); height = h; width = w " where x, y, h and w are the appropriate integer values. • an above() method that tests whether one rectangle is completely above another (i.e. all y values of the one rectangle are greater than all y values of the other). For example, with the following declarations Rectangle r1 = new Rectangle(); Rectangle r2 = new Rectangle(new Point(2,2), 1, 4); the expression r2.above(r1) should give true, and r2.above (r2) should give false. (You can assume that the height of a rectangle is never negative.) (2) (5)

2142

how to debug the errors generated from integration

1931

To see hidden files in LINIX?

724

What is and I oop mean?

428

I heard about online data entry job and is this job safe, legal to do at home. How I will find a good online job to do at home ?

1209

What is keyword prominence?

344