View Compilation Error

0_0_6139546_20219\Main.java:3: cannot find symbol
symbol  : class Map
location: class Main
	private static Map<String, Integer> intMap = initIntMap();
	               ^
0_0_6139546_20219\Main.java:5: cannot find symbol
symbol  : class Map
location: class Main
	private static Map<String, Integer> initIntMap() {
	               ^
0_0_6139546_20219\Main.java:6: cannot find symbol
symbol  : class Map
location: class Main
		Map<String, Integer> map = new HashMap<String, Integer>();
		^
0_0_6139546_20219\Main.java:6: cannot find symbol
symbol  : class HashMap
location: class Main
		Map<String, Integer> map = new HashMap<String, Integer>();
		                               ^
0_0_6139546_20219\Main.java:23: cannot find symbol
symbol  : class Scanner
location: class Main
		Scanner sc = new Scanner(System.in);
		^
0_0_6139546_20219\Main.java:23: cannot find symbol
symbol  : class Scanner
location: class Main
		Scanner sc = new Scanner(System.in);
		                 ^
6 errors