public int METHOD_1 ( int index ) { if ( index <= ( VAR_1 . size ( ) ) ) return VAR_2 . get ( VAR_1 . get ( index ) ) ; else return - 1 ; } 

public int METHOD_1 ( int index ) { if ( index <= ( VAR_1 . size ( ) ) ) return VAR_2 . get ( VAR_1 . get ( ( index - 1 ) ) ) ; else return - 1 ; } 
