isnumber in java code example
Example 1: java check if string is number
try {
int n = Integer.parseInt(str);
} catch (NumberFormatException e) {
// str is not a number
}
Example 2: isnumber java
// find value is number or not in java..
// if the value is number output is true
// if the value is not a number then output is false..
public class Test {
public static void main(String args[]) {
System.out.println(Character.isDigit('c')); // false
System.out.println(Character.isDigit('5')); // true
}
}