Scanner check if int

Java to check if its a number scanner

Scanner sc = new Scanner(System.in);
int number;
do {
    System.out.println("Please enter a positive number!");
    while (!sc.hasNextInt()) {
        System.out.println("That's not a number!");
        sc.next(); // this is important!
    }
    number = sc.nextInt();
} while (number <= 0);
System.out.println("Thank you! Got " + number);

Source: stackoverflow.com

Similar codes

0 vote154 views1 answer
Java string contains number
Java
46 votes153 views3 answers
How to print out an array in java
Java
3 votes219 views1 answer
How to change font size in JLabel
Java
-1 vote152 views1 answer
How to create a derived class in Java
Java
32 votes148 views10 answers
Translate
Java
10 votes150 views3 answers
String to long java
Java
0 vote176 views1 answer
How to count an replace string in java
Java
6 votes173 views3 answers
Java get year from date
Java
0 vote176 views1 answer
Java priority queue get first element
Java
3 votes162 views1 answer
Change font size java swing
Java