Lists

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A list is a sequence of elements or items that can be indexed by (whole number) position or in sequence from beginning to end.

All elements or items need not be the same type - for dynamically typed languages.

For statically typed languages, the types must be the same, unless special precautions (or tricks) are used.

Many programming languages provide a way to hard-code a list within a program.

Some of these ways are now presented along with a way to output the list from beginning to end.

Below are some examples of static or literal lists.

Here is the Java code.

import java.util.ArrayList;
import java.util.List;

public class list1_01 {
	List<String> list1 = new ArrayList() {{
		add("alpha");
		add("beta");
		add("gamma");
		}};

	public list1_01() {
		int len1 = list1.size();
		System.out.print(String.format("begin list of %d items\n",len1));
		for (int pos1=0; pos1 < list1.size(); pos1++) {
			String item1 = list1.get(pos1);
			System.out.print(String.format("\t%d. \"%s\"\n",pos1,item1));
			pos1++;
			}
		System.out.print(String.format("end list of %d items\n",len1));
		}

	public static void main(String [] args) {
		new list1_01();
		}
	}