private TYPE_1 METHOD_1 ( TYPE_2 var ) { return VAR_1 . METHOD_2 ( var . METHOD_3 ( ) ) ; } 

private TYPE_1 METHOD_1 ( TYPE_2 var ) { if ( var == null ) { throw new java.lang.NullPointerException ( ) ; } return VAR_1 . METHOD_2 ( var . METHOD_3 ( ) ) ; } 
