Variable wurde möglicherweise nicht initialisiert
//the error variant
public class VariableMightNotHaveBeenInitializedError {
public static void main(String[] args) {
int sum; //variable "sum" is not initialized
int[] list = new int[]{1, 2, 3, 4, 5, 6, 7, 8, 9};
for (int i = 0; i < list.length; i++) {
sum += list[i];
}
System.out.println("sum is: " + sum);
}
}
// the fixed variant:
public class VariableMightNotHaveBeenInitializedError {
public static void main(String[] args) {
int sum = 0; //variable "sum" is initialized to 0
int[] list = new int[]{1, 2, 3, 4, 5, 6, 7, 8, 9};
for (int i = 0; i < list.length; i++) {
sum += list[i];
}
System.out.println("sum is: " + sum);
David Zlatin