*** Test 0 *** 1 2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97 101 *** Test 1 *** m.get("JKU")=0732/2468-4444 m.containsKey("Linz AG")=true m.containsKey("Energie AG")=false m.containsKey("Energie AG")=true m.get("Energie AG")=null m.remove("JKU")=0732/2468-4444 m.containsKey("JKU")=false *** Test 2 *** m.remove("Linz AG")=0732/3400-4000 m.get("OEBB")=05-1717 *** Test 3 *** 16. Volkswagen 146205 1334 14. Total 155887 11741 30. Daimler 109700 -3670 50. Gazprom 94472 24556 65. Panasonic 79893 -1114 69. Sony 77696 -439 82. BMW 70444 284 197. Apple 36537 5704 245. Coca-Cola 30990 6824 259. Landesbank Baden-Wuerttemberg 30062 -2061