Consider the following incomplete code:
public class Test {
public static void main(String[] args) {
System.out.println(f(5));
}
public static int f(int number) {
// Missing body
}
}
The missing method body should be ________.
a. return "number";
b. System.out.println(number);
c. System.out.println("number");
d. return number;
d
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