List list = [ [id:0, firstName: 'Sachin', lastName: 'Tendulkar', age: 40 ], [id:1, firstName: 'Sachin', lastName: 'Tendulkar', age: 103 ], [id:2, firstName: 'Ajay', lastName: 'Tendulkar', age: 48 ], [id:3, firstName: 'Virendra', lastName: 'Sehwag', age: 5 ], [id:4, firstName: 'Virendra', lastName: 'Sehwag', age: 50 ], [id:5, firstName: 'Sachin', lastName: 'Nayyar', age: 15 ] ] Collection.metaClass.sort = { boolean mutate, Closure... closures -> delegate.sort( mutate ) { a, b -> closures.findResult { c -> c( a ) <=> c( b ) ?: null } } } list.sort( false, { it.firstName }, { it.lastName }, { it.age } )*.id
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A response to http://www.intelligrape.com/blog/2012/08/10/groovier-way-of-sorting-over-multiple-fields-in-a-list-of-maps-in-groovy/
Nice. Happy to see that you have used Indian Cricket players :D