capitalizing 1st character of each word in a string

January 31, 2017 nisarkhan APEX, VFP, 0

String rep_name = 'this is a test';
List<String> elems = rep_name.split(' ');
rep_name = '';
for (String x : elems)
{
    rep_name += x.substring(0,1).toUpperCase()+x.substring(1,x.length()) + ' ';
}
System.debug('>>>'+rep_name);

Replace ‘_’ with space?:

string sText = 'ancestor_concept_id';
sText = sText.replaceAll( '_', ' ');

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