morten@Westparkstr42:~/Robert_Sedgewick$ javac StdDraw.java
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1. ERROR in StdDraw.java (at line 111)
private static LinkedList<Character> keysTyped = new LinkedList<Character>();
^^^^^^^^^^
The type LinkedList is not generic; it cannot be parameterized with arguments <Character>
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2. ERROR in StdDraw.java (at line 111)
private static LinkedList<Character> keysTyped = new LinkedList<Character>();
^^^^^^^^^
Syntax error, parameterized types are only available if source level is 5.0
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3. ERROR in StdDraw.java (at line 111)
private static LinkedList<Character> keysTyped = new LinkedList<Character>();
^^^^^^^^^^
The type LinkedList is not generic; it cannot be parameterized with arguments <Character>
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4. ERROR in StdDraw.java (at line 111)
private static LinkedList<Character> keysTyped = new LinkedList<Character>();
^^^^^^^^^
Syntax error, parameterized types are only available if source level is 5.0
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5. WARNING in StdDraw.java (at line 621)
try { Thread.currentThread().sleep(t); }
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The static method sleep(long) from the type Thread should be accessed in a static way
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6. ERROR in StdDraw.java (at line 764)
public static boolean hasNextKeyTyped() { return !keysTyped.isEmpty(); }
^^^^^^^^^
keysTyped cannot be resolved
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7. ERROR in StdDraw.java (at line 771)
return keysTyped.removeLast();
^^^^^^^^^
keysTyped cannot be resolved
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8. ERROR in StdDraw.java (at line 778)
keysTyped.addFirst(e.getKeyChar());
^^^^^^^^^
keysTyped cannot be resolved
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8 problems (7 errors, 1 warning)morten@Westparkstr42:~/Robert_Sedgewick$