assertEquals( obj3, obj3a );
assertSame( obj2, obj2a );
assertSame( obj1, obj1a );
d.push( "stack1", obj8 );
d.push( "stack1", obj9 );
Object obj9a = d.pop( "stack1" );
Object obj8a = d.pop( "stack1" );
assertSame( obj8, obj8a );
assertSame( obj9, obj9a );