protected Solver<NQueens> createSolverByXml() {
        SolverFactory<NQueens> solverFactory = SolverFactory.createFromXmlResource(SOLVER_CONFIG);
        return solverFactory.buildSolver();
    }
protected Solver<NQueens> createSolverByXml() {
        SolverFactory<NQueens> solverFactory = SolverFactory.createFromXmlResource(SOLVER_CONFIG);
        return solverFactory.buildSolver();
    }
protected Solver < NQueens > createSolverByXml ( ) { SolverFactory < NQueens > solverFactory = SolverFactory . createFromXmlResource ( SOLVER_CONFIG ) ; return solverFactory . buildSolver ( ) ; }
Normal way to create a {@link Solver}.
@return never null
Normal way to create a {