Print all keys and value for HashBasedTable in Google Guava

Im not Guava user so this may be overkill (if it is true then will be glad for any info) but you can use table.rowMap() to get Map<String, Map<String, Integer>> which will represents data in table in form {A={B=1, C=2}, B={D=3}}. Then just iterate over this map like:

Map<String, Map<String, Integer>> map = table.rowMap();

for (String row : map.keySet()) {
    Map<String, Integer> tmp = map.get(row);
    for (Map.Entry<String, Integer> pair : tmp.entrySet()) {
        System.out.println(row+" "+pair.getKey()+" "+pair.getValue());
    }
}

or

for (Map.Entry<String, Map<String,Integer>> outer : map.entrySet()) {
    for (Map.Entry<String, Integer> inner : outer.getValue().entrySet()) {
        System.out.println(outer.getKey()+" "+inner.getKey()+" "+inner.getValue());
    }
}

or even better using com.google.common.collect.Table.Cell

for (Cell<String, String, Integer> cell: table.cellSet()){
    System.out.println(cell.getRowKey()+" "+cell.getColumnKey()+" "+cell.getValue());
}

you can use :

System.out.println(Arrays.asList(table));

and the output will be

[{A={B=1, C=2}, B={D=3}}]