Computer Applications
State the data type and value of res after the following is executed:
char ch = '9';
res= Character.isDigit(ch);
Java Library Classes
ICSE 2019
44 Likes
Answer
Data type of res is boolean as return type of method Character.isDigit() is boolean. Its value is true as '9' is a digit.
Answered By
23 Likes
Related Questions
Differentiate between boxing and unboxing.
What is the method to check whether a character is a letter or digit?
- isDigit(char)
- isLetterOrDigit()
- isLetterOrDigit(char)
- isLETTERorDIGIT(char)
Give the output of the following code:
String P = "20", Q ="19"; int a = Integer.parseInt(P); int b = Integer.valueOf(Q); System.out.println(a+""+b);