List<String> ob=new List<String>();
List<SelectOption> paginationOptions=new List<SelectOption>();
ob.add('a');
SelectOption preselected;
for(String ac: ob){
if('2' == '2'){
paginationOptions.add(new SelectOption('lakhn','lakhn'));
}
if('1' == '1'){
preselected= new SelectOption('ram', 'ram');
paginationOptions.add(preselected);
}
}
if(paginationOptions.size() > 0){
paginationOptions.set(0,preselected);
}
System.debug('pagination'+paginationOptions);
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