Convert string to number
- Integer
- parseInt
public class Convert {
public static void main(String[] args) {
String number_str = "23";
int a_number = 19;
System.out.println(number_str); // 23
System.out.println(number_str + a_number); // 2319
int real_number = Integer.parseInt(number_str);
System.out.println(real_number + a_number); // 42
}
}
javac Convert.java
java Conver