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प्रश्न
State the data type and value of res after the following is executed :
char ch = ‘9’;
res = Character. isDigit(ch)
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उत्तर
boolean - True
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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.
State the number of bytes occupied by char and int data types.
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?
String s = “1001”;
int x = Integer. valueOf(s);
double y = Double.valueOf(s);
System.out.println(“x=”+x);
System.out.println(“y=”+y);
Give the output of the following code.
String A = "26.0", B= "74.0";
double C = Double.parseDouble(A);
double D = Double.parseDouble(B);
System.out.println((C+D));
Give the output of the following Character class
method:Character.isLetterOrDigit('W')
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);