check if number java code example
Example 1: java check if string is number
try {
int n = Integer.parseInt(str);
} catch (NumberFormatException e) {
}
Example 2: check if the given string is a number
static private boolean isMyNumber(String s){
try{
Integer.parseInt(s);
return true;
}catch (Exception e){
return false;
}
}
Example 3: how to check if number is integer in java
if(x == (int)x){
println("x is an integer");
}
Example 4: java check if int
float number = 20;
if(number%1 == 0){
println("It is an integer");
} else {
println("It is not an integer");
}