18 lines
500 B
Plaintext
18 lines
500 B
Plaintext
public final class Main
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{
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public static void main(final String[] args)
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{
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HistoryVariable hv = new HistoryVariable("a");
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hv.update(90);
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hv.update(12.1D);
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System.out.println(hv.toString());
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System.out.println(hv.undo());
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System.out.println(hv.undo());
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System.out.println(hv.undo());
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System.out.println(hv.undo());
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System.out.println(hv.toString());
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hv.dispose();
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System.out.println(hv.toString());
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}
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}
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