Error adding items to ArrayList Java Android -


i've been running nullpointerexception while trying add items arraylist. below function that:

public void addtoutilitycarditems() {         int[] utilitieslogos = {r.drawable.kenya_power, r.drawable.nairobi_water, r.drawable.startimes, r.drawable.zuku};         string[] utilitiesnames = {"kenya power", "nairobi water", "startimes", "zuku"};         utilitiesmodel utilities = new utilitiesmodel();          (int = 0; < utilitiesnames.length; i++) {             utilities.setutilitylogo(utilitieslogos[i]);             utilities.setutilityname(utilitiesnames[i]);             utilitycarditems.add(utilities);         }      }

the error is:

java.lang.nullpointerexception             @ com.sce.kbs.lient.fragmenttwo.addtoutilitycarditems(fragmenttwo.java:82)             @ com.sce.kbs.lient.fragmenttwo.onactivitycreated(fragmenttwo.java:56)

kindly assist

if want add several utilities object:

public void addtoutilitycarditems() {         int[] utilitieslogos = {r.drawable.kenya_power, r.drawable.nairobi_water, r.drawable.startimes, r.drawable.zuku};         string[] utilitiesnames = {"kenya power", "nairobi water", "startimes", "zuku"};           (int = 0; < utilitiesnames.length; i++) {             utilitiesmodel utilities = new utilitiesmodel();             utilities.setutilitylogo(utilitieslogos[i]);             utilities.setutilityname(utilitiesnames[i]);             utilitycarditems.add(utilities);         }      }

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