Assume that x is a char variable has been declared and already given a value. Write an expression whose value is true if and only if x is a decimal digit (0-9).
LANGUAGE: JAVA
CHALLENGE:
Assume that x is a char variable has been declared and already given a value. Write an expression whose value is true if and only if x is a decimal digit (0-9).
SOLUTION:
(x>='0' && x<='9')