How do you check if a string contains only digits in Java
Java
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22
public class CheckStringDigits { public static void main(String[] args) { String str = "12345"; boolean isDigit = true; for (int i = 0; i < str.length(); i++) { if (!Character.isDigit(str.charAt(i))) { isDigit = false; break; } } if (isDigit) { System.out.println("The string contains only digits"); } else { System.out.println("The string does not contain only digits"); } } 🤖 Code Explanation
}
The code checks if the string contains only digits. If all the characters in the string are digits, isDigit will be true. Otherwise, isDigit will be false.
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