not retaining data in TextView arrays

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http://stackoverflow.com – I want to be able to leave my activity, input data in another activity, have it be sent back to this activity and save/display both parts. Currently, it always overrides with the new data. How do I get it to save the old data? public class DebtList extends Activity { Integer trigger = 0; //Should initialize the set in the arrays but not reset each time the Activity is created. String[] debtNames = new String[10]; Double[] debtAmount = new Double[10]; Double[] debtRate = new Double[10]; Double[] debtTerm = new Double[10]; @Override protected void onCreate(Bundle (HowTos)