Java Utililty Methods List from

List of utility methods to do List from

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Description

The list of methods to do List from are organized into topic(s).

Method

ArrayListlistOfOne()
Create an array list of the given type of size 1. 
return new ArrayList<T>(1);
ListlistOfOne(T x)
Answer a list containing the single object x. 
List<T> result = new ArrayList<T>();
result.add(x);
return result;
ListlistOfStrings(int size, String prefix)
list Of Strings 
ArrayList<String> list = new ArrayList<String>(size);
for (int i = 1; i <= size; i++)
    list.add(prefix + i);
return list;
StringlistOfStrToString(List src, String del)
list Of Str To String 
StringBuilder sb = new StringBuilder();
for (String s : src)
    sb.append(s + del);
src.clear();
src = null;
return sb.toString();