Length of a string in a combobox exceeds the width of the combobox

How do you fix this:
The length of a string in a combobox exceeds the width of the combobox and as a result, the comboBox changes its size :-(
I don't want it to change the size even if the length of the string exceeds the width of the comboBox
what should i do?

ok i got it
          Dimension d =combo.getPreferredSize();
combo.setPreferredSize(new Dimension(50, d.height));
anyone with better solution?

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