returns a random item from the given list , or null is the list is empty concode_field_sep char[] ALPHANUMERIC_CHARS concode_field_sep float nextFloat concode_elem_sep float nextFloat concode_elem_sep Vector3f nextVector3f concode_elem_sep Vector3f nextVector3f concode_elem_sep Vector3f nextVector3f concode_elem_sep Vector3f nextVector3f concode_elem_sep Vector3f nextVector3f concode_elem_sep Vector3f nextUnitVector3f concode_elem_sep int nextInt concode_elem_sep int nextInt concode_elem_sep int nextInt concode_elem_sep boolean nextBoolean concode_elem_sep long nextLong concode_elem_sep long nextLong concode_elem_sep long nextLong concode_elem_sep String nextString concode_elem_sep double nextDouble concode_elem_sep double nextDouble concode_elem_sep double nextGaussian concode_elem_sep double nextGaussian
T function ( List < T > arg0 ) { if ( arg0 . isEmpty ( ) ) { return null ; } return arg0 . get ( nextInt ( arg0 . size ( ) ) ) ; }