हिंदी

A student is trying to convert the string present in x to a numerical value, so that he can find the square root of the converted value, However the code has

Advertisements
Advertisements

प्रश्न

A student is trying to convert the string present in x to a numerical value, so that he can find the square root of the converted value, However the code has an error. Name the error (syntax/logical/runtime). Correct the code so that it compiles and runs correctly.

String x="25";
int y=Double.parseDouble(x);
double r=Math.sqrt(y);
System.out.println(r);
एक पंक्ति में उत्तर
Advertisements

उत्तर

Syntax error, double y=Double.parseDouble(x)
shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
2024-2025 (March) Specimen Paper

संबंधित प्रश्न

Write the memory capacity (storage size) of short and float data type in bytes.


Differentiate between if else if and switch-case statements.


Give the output of the following code:

String P = “20”, Q = “19”,
int a = Integer .parselnt(P);
int b = Integer. valueOf(Q);
System.out.println(a+””+b);


Write a difference between the functions isUpperCase() and toUpperCase().


int res = ‘A’; 

What is the value of res?


Write a program to accept a number and check and display whether it is a Niven number or not. 
(Niven number is that number which is divisible by its sum of digits).
Example:
Consider the number 126.
The Sum of its digits is 1+2+6 = 9 and 126 is divisible by 9.


State one difference between the floating point literals float and double.


Design a class to overload a function area( ) as follows:
(i) double area (double a, double b, double c) with three double arguments, returns the area of a scalene triangle using the formula:

area = `sqrt ("s" ("s" - "a")("s" - "b")("s" - "c"))  "2ab"`

where `"s" = ("a" + "b" + "c")/2`

(ii) double area (int a, int b, int height) with three integer arguments, returns the area of a trapezium using the formula:

area = `1/2` height (a+b)

(iii) double area (double diagonal 1, double diagonal 2) with two double arguments, returns the area of a rhombus using the formula :

area = `1/2` (diagonal 1 × diagonal 2)


Give the output of the following Character class method:

Character.toUpperCase('a')

The method to convert a lowercase character to uppercase is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×