package innovimax.mixthem;

import innovimax.mixthem.interfaces.IInputLine;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;

/**
* <p>Reads lines from a character-input file.</p>
* <p>This is the default implementation of IInputLine.</p>
* @see IInputLine
* @author Innovimax
* @version 1.0
*/
public class DefaultLineReader implements IInputLine {

	private final BufferedReader reader;	

	/**
 	* Creates a line reader.
 	* @param file The input file to be read
 	* @throws IOException - If an I/O error occurs
 	*/
	public DefaultLineReader(File input) throws IOException {
		this.reader = new BufferedReader(new FileReader(input));
	}

	@Override
	public boolean hasLine() throws IOException {
		return this.reader.ready();
	}

	@Override
	public String nextLine() throws IOException {
		return this.reader.readLine();
	}

	@Override
	public void close() throws IOException {
		this.reader.close();
	}

}

@@ -176,16 +176,112 @@
 ception;
+%0Aimport java.io.UncheckedIOException;%0Aimport java.util.List;%0Aimport java.util.stream.Collectors;
 %0A%0A/**%0A* 
@@ -536,16 +536,45 @@
  reader;
+%0A%09private List%3CString%3E lines;
 %09%0A%0A%09/**%0A
@@ -1085,10 +1085,137 @@
 ();%0A%09%7D%0A%0A
+%09@Override%0A%09public void preload() throws IOException %7B%09%09%0A%09%09this.lines = this.reader.lines().collect(Collectors.toList());%0A%09%7D%09%0A%0A
 %7D%0A

Update DefaultLineReader.java