Advertisements
Advertisements
प्रश्न
State the data type and value of res after the following is executed :
char ch = ‘9’;
res = Character. isDigit(ch)
Advertisements
उत्तर
boolean - True
APPEARS IN
संबंधित प्रश्न
Write the memory capacity (storage size) of short and float data type in bytes.
State the data type and value of res after the following is executed:
char ch = ‘t’;
res=Character. toUpperCase(ch);
Write the return data type of the following function:
log( )
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()
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));
Predict the output of the following code snippet: String P = "20", Q = "22";
int a = Integer.parseInt(P);
int b = Integer.value0f(Q);
System.out.println(a + " " + b);
Give the output of the following Character class method:
Character.isLetterOrDigit('W')Predict the output of the following code snippet:
char ch='B';
char chr=Character.toLowerCase(ch);
int n=(int)chr-10;
System.out.println((char)n+"\t"+chr);
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);