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Digital display Solution:

package display;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Scanner;

public class display {
	public static void main(String[] args) {
		Scanner sc = new Scanner(;
		ArrayList <String[]> inputLines = new ArrayList <String[]>();
		while (sc.hasNextLine()){
			String line = sc.nextLine();
			if (!line.equals("end"))
			else break;
		//ASCII hashmap
		HashMap<String, String> ascii = new HashMap<String ,String>();
		ascii.put("0", "+---+\n|   |\n|   |\n+   +\n|   |\n|   |\n+---+");
		ascii.put("1", "    +\n    |\n    |\n    +\n    |\n    |\n    +");
		ascii.put("2", "+---+\n    |\n    |\n+---+\n|    \n|    \n+---+");
		ascii.put("3", "+---+\n    |\n    |\n+---+\n    |\n    |\n+---+");
		ascii.put("4", "+   +\n|   |\n|   |\n+---+\n    |\n    |\n    +");
		ascii.put("5", "+---+\n|    \n|    \n+---+\n    |\n    |\n+---+");
		ascii.put("6", "+---+\n|    \n|    \n+---+\n|   |\n|   |\n+---+");
		ascii.put("7", "+---+\n    |\n    |\n    +\n    |\n    |\n    +");
		ascii.put("8", "+---+\n|   |\n|   |\n+---+\n|   |\n|   |\n+---+");
		ascii.put("9", "+---+\n|   |\n|   |\n+---+\n    |\n    |\n+---+");
		ascii.put(":", " \n \no\n \no\n \n ");
		//All lines
		for(String[] s:inputLines){
			StringBuilder output = null;
			//Each Line
			for(int i = 0; i < s.length; i++){
				if (i == 0)
					output = new StringBuilder(ascii.get(s[i]));
					//split current output horizontally
					String[] outtmp = output.toString().split("\n");
					//new char to add
					String[] newtmp = ascii.get(s[i]).split("\n");

					output = new StringBuilder();
					for (int j = 0; j < 7; j++){
						output.append("  ");
						output.append(newtmp[j] + "\n");
				if (i == s.length -1)
					System.out.println(output + "\n");
//7 height
//5 width