How to persist very 100 record from List

Question

MY list size is consist 5000 records i need to get 100 records every time from list then persist to 100 records each time up to 5000 records persist to DB how can achieve this logic?

private  List<DoTempCustomers> doTempCustomers;
for(DoTempCustomers tempCustomers:doTempCustomers){
try {
    temp=new TempCustomers();               
    BeanUtils.copyProperties(temp, doTemp);
    getEntityManager().persist(temp);
}

my above code i was persist all 5000 records single for each loop.

Answer 1

Try splitting the list into parts, and then do operations on each of sublists. If you need how to split list, you can refer this link: How to split array list into equal parts? which gives you idea.