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);Advertisements
उत्तर
Syntax error, double y=Double.parseDouble(x)APPEARS IN
संबंधित प्रश्न
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);
State the data type and value of res after the following is executed :
char ch = ‘9’;
res = Character. isDigit(ch)
State the number of bytes occupied by char and int data types.
State the data type and value of res after the following is executed:
char ch = ‘t’;
res=Character. toUpperCase(ch);
Write a difference between the functions isUpperCase() and toUpperCase().
State one difference between the floating point literals float and double.
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);
What will be the output when the following code segment is executed?
System.out.println(“The king said\”Begin at the beginning!\“to me.”);
Give the output of the following Character class
method:Character.isLetterOrDigit('W')
