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Explain Parentheses in Java ?
Sometimes the default sequence of evaluation isn't what you want. For example, the formula to change a Fahrenheit temperature to a Celsius temperature is C = (5/9) (F - 32) whereas C is degrees Celsius and F is degrees Fahrenheit. You must subtract 32 from the Fahrenheit temperature before you multiply by 5/9, not after. You can use parentheses to adjust the frequently much as they are used in the above formula. The further program prints a table presentation the conversions from Fahrenheit and Celsius between zero and three hundred degrees Fahrenheit every twenty degrees. // Print a Fahrenheit to Celsius table
class FahrToCelsius {
public static void main (String args[]) { // lower limit of temperature table double lower = 0.0;
// upper limit of temperature table double upper = 300.0;
// step size double step = 20.0; double fahr = lower; while (fahr <= upper) { double celsius = (5.0 / 9.0) * (fahr-32.0); System.out.println(fahr + " " + celsius); fahr = fahr + step; }
}
What is output of the following JavaScript code? Str="Virtual University of Pakistan"; document.write(str.substring(5,str.length)) ;
Explain try and catch exception in java? Why use exceptions instead of return values? 1. Forces error checking 2. Cleans up your code through separating the normal case from
Give an Examples of java.lang.Math Methods Here is an instance program in which exercises most of the routines in java.lang.Math. If your high school math is a little rusty, do
write algorithm to perform the following operations on it create,insertion,deletion,for testing overflow and empty conditions.
What do you mean about networking support in Java ?
How can you describe a consistent web design? Why is it required? A consistent web design is Easy understandable, not along with heavy graphics, easy navigation. It is required
a) BeanNameAutoProxyCreator b) DefaultAdvisorAutoProxyCreator c) Metadata autoproxying
Question 1: (a) Describe two reasons driving the termination of processes. (b) Discuss the five main steps the OS would implement once it has decided to create a new proc
There is a pebble merchant. He sells the pebbles, that are used for shining the floor. His main duty is to take the length of the room’s sides. But he sometimes mistakes doing tha
Question 3 Using this line: var posneg : array [1..15] of integer; Write a program that calculates the number of negative and positive numbers in the array. Users will
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