String to List
String str = "Hello";
Sting[] strList = str.split(" ");
System.out.println("String str to List: " + strList[0]);
String[] to List<String>
String[] name = {"Tom", "Jack"};
List<String> listStr = new ArrayList<String>();
listStr.add(name[0]);
List<Object[]> To String
String to int
int num = Integer.valueOf(rs.getString(1)).intValue;
// This function may throw NumberFormatException
int num2 = Integer.parseInt(StringName);
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