Is it possible in any Java IDE to collapse the type definitions in the source code?

Posted by asmaier on Stack Overflow See other posts from Stack Overflow or by asmaier
Published on 2010-12-31T12:10:05Z Indexed on 2010/12/31 12:54 UTC
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Lately I often have to read Java code like this:

LinkedHashMap<String, Integer> totals =  new LinkedHashMap<String, Integer>(listOfRows.get(0))
for (LinkedHashMap<String, Integer> row : (ArrayList<LinkedHashMap<String,Integer>>) table.getValue()) {    
    for(Entry<String, Integer> elem : row.entrySet()) {
        String colName=elem.getKey();
        int Value=elem.getValue();
        int oldValue=totals.get(colName);

        int sum = Value + oldValue;
        totals.put(colName, sum);
    }
}

Due to the long and nested type definitions the simple algorithm becomes quite obscured. So I wished I could remove or collapse the type definitions with my IDE to see the Java code without types like:

totals =  new (listOfRows.get(0))
for (row : table.getValue()) {    
    for(elem : row.entrySet()) {
        colName=elem.getKey();
        Value=elem.getValue();
        oldValue=totals.get(colName);

        sum = Value + oldValue;
        totals.put(colName, sum);
    }
}

The best way of course would be to collapse the type definitions, but when moving the mouse over a variable show the type as a tooltip. Is there a Java IDE or a plugin for an IDE that can do this?

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