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当long值传递给get方法时,使用整数作为键的映射返回null

import java.util.HashMap;
import java.util.Map;

public class StackOverFlowQuestion {

private static final int ERROR_CODE100 = -100;
private static final int ERROR_CODE101 = -101;
private static final int ERROR_CODE102 = -102;
private static final int ERROR_CODE103 = -103;
private static final int ERROR_CODE104 = -104;

public enum ErrorDetails {

    ERROR_CODE_100(ERROR_CODE100, "Error code 100 Desc", false),

    ERROR_CODE_101(ERROR_CODE101, "Error code 101 Desc", false),

    ERROR_CODE_102(ERROR_CODE102, "Error code 102 Desc", true),

    ERROR_CODE_103(ERROR_CODE103, "Error code 103 Desc", false),

    ERROR_CODE_104(ERROR_CODE104, "Error code 104 Desc", true);

    private int errorCode; …
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java collections

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