Compile error: super(...) must be the first statement

Writing Constructors for Subclasses

AP Computer Science A· difficulty 3/5

public class A {
    public A(int x) { System.out.print("A" + x + " "); }
}
public class B extends A {
    public B(int x) {
        System.out.print("B" + x + " ");
        super(x);
    }
}

What occurs?

A
$Prints 'B1 A1 '$
B
$Prints 'A1 B1 '$
C
$Compile error: super(...) must be the first statement$
check_circle
D
$Runtime error$

Explanation

super(...) calls must be the first statement in a constructor. Otherwise, the compiler reports an error.

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