java how to check string is number
public static boolean isNumeric(String strNum) {
if (strNum == null) {
return false;
}
try {
double d = Double.parseDouble(strNum);
} catch (NumberFormatException nfe) {
return false;
}
return true;
}how to check if number is integer in java
if(x == (int)x){
println("x is an integer");
}java check if int
//"% (modulo)" calulates the remainder when the value on the left is divided by the value on the right
float number = 20;
if(number%1 == 0){
println("It is an integer");
} else {
println("It is not an integer");
}Copyright © 2021 Codeinu
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