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Greenfoot back
alinasomcutean
alinasomcutean wrote ...

2017/5/7

Error

alinasomcutean alinasomcutean

2017/5/7

#
Hi! I have this error: java.lang.NullPointerException at Personaj.movement(Personaj.java:24) at Personaj.act(Personaj.java:19) The lines are: public class Personaj extends Actor { private Die die; public void act() { movement(); } public void movement() { int nr = die.getNum(); System.out.println(nr); } } public int getNum() { return num; } getNum() returns the number at the die stopped when the space was pressed. What this error means? What I do wrong?
danpost danpost

2017/5/7

#
It means the player does not have a die. The Die reference, 'die', has not been assigned any Die object to refer to.
alinasomcutean alinasomcutean

2017/5/7

#
Thank you!
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