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  1. import java.util.Arrays;
  2.  
  3. public class Datentypen {
  4. // TODO: declare a constant named "FOO_BAR" with a value of -123.456 * 10^(-89)
  5. public static final FOO_BAR = -123.456 * 10^(-89);
  6.  
  7. // TODO: declare an enumeration named "Months" containing the
  8. // english names in CAPITAL_LETTERS (!) of all the 12 months of the year
  9. public enum Months{
  10. JANUARY, FEBRUARY, MARCH, APRIL, MAY, JUNE, JULY, AUGUST, SEPTEMBER, OCTOBER,
  11. NOVEMBER, DECEMBER};
  12. }
  13.  
  14. public static char[] someCharacters() {
  15. // TODO: declare, fill and return an 1-dimensional
  16. // array containing the ASCII-letters A to Z (capital letters)
  17. char[] letters = new char [26];
  18. char [] letters = {A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U V, W, X, Y, Z}
  19. /*letters [0] = A;
  20.   letters [1] = B;
  21.   letters [2] = C;
  22.   letters [3] = D;
  23.   letters [4] = E;
  24.   letters [5] = F;
  25.   letters [6] = G;
  26.   letters [7] = H;
  27.   letters [8] = I;
  28.   letters [9] = J;
  29.   letters [10] = K;
  30.   letters [11] = L;
  31.   letters [12] = M;
  32.   letters [13] = N;
  33.   letters [14] = O;
  34.   letters [15] = P;
  35.   letters [16] = Q;
  36.   letters [17] = R;
  37.   letters [18] = S;
  38.   letters [19] = T;
  39.   letters [20] = U;
  40.   letters [21] = V;
  41.   letters [22] = W;
  42.   letters [23] = X;
  43.   letters [24] = Y;
  44.   letters [25] = Z; */
  45. for(int i=0; i<letters.length; ++i) {
  46. System.out.print(letters[i]+" ");
  47. }
  48.  
  49. }
  50.  
  51. public static char[][] someMoreCharacters() {
  52. // TODO: declare, fill and return a 2-dimensional array containing
  53. // 1) the values (!) 0 to 25 in the first row,
  54. // 2) the ASCII-letters A to Z (capital letters) in the second row,
  55. // 3) the ASCII-characters (!) 0 to 9, than 0 to 9 again and finally 0 to 5 in the third row
  56. // 4) the ASCII-letters a to z (non-capital letters) in the fourth row,
  57.  
  58. return null;
  59. }
  60.  
  61. // TODO: declare a constant String named "UNICODE" containing the
  62. // greek non-capital alphabet from alpha [03B1] to omega [03C9]
  63. // with a horizontal tabulator between groups of five letters each
  64. // (e.g. after epsilon, after kappa, after omicron and after tau)
  65. // and finally followed by a line feed (ASCII: 0x0A)
  66. // (no spaces or other symbols than those above!!)
  67.  
  68.  
  69. public static int[][][] theCube() {
  70. // TODO: declare, fill and return a 3-dimensional array
  71. // of size 3x3x3 (try to imagine a http://e...content-available-to-author-only...a.org/wiki/Rubik's_Cube)
  72. // containing only integer numbers such that
  73. // the value at [x][y][z] == (x+1)*100+(y+1)*10+(z+1)
  74. // (e.g. cube[2][1][0] == 321)
  75.  
  76. return null;
  77. }
  78.  
  79. // nothing to do ;) - please do nothing here:
  80. public static void main(String[] args) {
  81. System.out.println("-----");
  82. System.out.println(Datentypen.FOO_BAR);
  83. System.out.println("-----");
  84. System.out.println(Months.OCTOBER);
  85. System.out.println("-----");
  86. System.out.println(Arrays.toString(someCharacters()));
  87. System.out.println("-----");
  88. for (char[] r : someMoreCharacters()) {
  89. System.out.println(Arrays.toString(r));
  90. }
  91. System.out.println("-----");
  92. System.out.println("[" + Datentypen.UNICODE + "]");
  93. System.out.println("-----");
  94. for (int[][] plane : theCube()) {
  95. for (int[] row : plane) {
  96. System.out.print(Arrays.toString(row));
  97. }
  98. System.out.println();
  99. }
  100. }
  101. }
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
Main.java:5: error: <identifier> expected
    public static final FOO_BAR = -123.456 * 10^(-89);
                               ^
Main.java:14: error: class, interface, or enum expected
	public static char[] someCharacters() {
	              ^
Main.java:18: error: class, interface, or enum expected
    char [] letters = {A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U V, W, X, Y, Z}              
    ^
Main.java:45: error: class, interface, or enum expected
		for(int i=0; i<letters.length; ++i) {
		             ^
Main.java:45: error: class, interface, or enum expected
		for(int i=0; i<letters.length; ++i) {
		                               ^
Main.java:47: error: class, interface, or enum expected
		}
		^
Main.java:51: error: class, interface, or enum expected
	public static char[][] someMoreCharacters() {
	              ^
Main.java:59: error: class, interface, or enum expected
	}
	^
Main.java:69: error: class, interface, or enum expected
	public static int[][][] theCube() {
	              ^
Main.java:77: error: class, interface, or enum expected
	}
	^
Main.java:80: error: class, interface, or enum expected
	public static void main(String[] args) {
	              ^
Main.java:82: error: class, interface, or enum expected
		System.out.println(Datentypen.FOO_BAR);
		^
Main.java:83: error: class, interface, or enum expected
		System.out.println("-----");
		^
Main.java:84: error: class, interface, or enum expected
		System.out.println(Months.OCTOBER);
		^
Main.java:85: error: class, interface, or enum expected
		System.out.println("-----");
		^
Main.java:86: error: class, interface, or enum expected
		System.out.println(Arrays.toString(someCharacters()));
		^
Main.java:87: error: class, interface, or enum expected
		System.out.println("-----");
		^
Main.java:88: error: class, interface, or enum expected
		for (char[] r : someMoreCharacters()) {
		^
Main.java:90: error: class, interface, or enum expected
		}
		^
Main.java:92: error: class, interface, or enum expected
		System.out.println("[" + Datentypen.UNICODE + "]");
		^
Main.java:93: error: class, interface, or enum expected
		System.out.println("-----");
		^
Main.java:94: error: class, interface, or enum expected
		for (int[][] plane : theCube()) {
		^
Main.java:97: error: class, interface, or enum expected
			}
			^
Main.java:99: error: class, interface, or enum expected
		}
		^
24 errors
stdout
Standard output is empty