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Start your free trialElvi Silver Beli
1,052 PointsWhoops! java.lang.NullPointerException
i cant pass this ... what happen?
public class GoKart {
private String mColor;
public GoKart (String color){
color=mColor;
}
public String getColor() {
return mColor;
}
}
1 Answer
Teja Tummalapalli
5,592 PointsHi , You need to assign the passed parameter color
to the private variable of the class mColor
. But you are trying to do in reverse. So switch the variables in assignment operation..
public GoKart (String color){
mColor=color;
}
Elvi Silver Beli
1,052 PointsElvi Silver Beli
1,052 Pointsthank you so much for helping me...:)