$//-------------------------------------------------------------$

public abstract class ParentClass $\{$

private int f$1$;

public final int f$2=100$;

public static int f$3$;

private void method$1()\{$System$.$out.println$("$Method$1")$; $\}$

public static void method$2()\{$System$.$out.println$("$Method$2")$; $\}$

public abstract void method$3()$;

public ParentClass$()\{$

System.out.println$("$Parent Constructor"$)$;

$\}$

$\}$

$//-------------------------------------------------------------$

public class ChildClass extends ParentClass$\{$

public int f$4=400$;

public ChildClass$()\{$

System.out.println$("$ChildClass: Constructor"$)$;

$\}$

public void method$3()\{$

System.out.println$("$ChildClass: method$3$ body"$)$;

$\}$

$\}$

The code: ChildClass c$3=$ new ParentClass$()$; is correct.