[Solved] wrong output of this Dictionary [duplicate]

by

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You put only one object into the map.

    StaffMember staff = new StaffMember();
    String line = null;
    while ((line = br.readLine()) != null)
    {

You need many objects

    String line = null;
    while ((line = br.readLine()) != null)
    {
        StaffMember staff = new StaffMember(); // Move into loop

2

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solved wrong output of this Dictionary [duplicate]