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प्रश्न
Give the output of the following Character class method:
Character.isLetterOrDigit('W')Advertisements
उत्तर
True
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संबंधित प्रश्न
Differentiate between if else if and switch-case statements.
State the data type and value of res after the following is executed :
char ch = ‘9’;
res = Character. isDigit(ch)
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.
What is the data type returned by the library function?
compareTo()
What will be the output when the following code segment is executed?
System.out.println(“The king said\”Begin at the beginning!\“to me.”);
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)
What is the method to check whether a character is a letter or digit?
The method to convert a lowercase character to uppercase is ______.
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);