tmanOC

import java.util.Optional;

public class ExceptionUtil {
    public interface MayThrow<R>{
        public R method() throws Exception;
    }
    
    public static <T> T tryBlock(MayThrow<T> throwing) {
        try{
            T obj = throwing.method();

tmanOC

Double number = ExceptionUtil.tryBlock(() -> Double.valueOf(numberAsString))

tmanOC

public class ExceptionUtil {
    public interface MayThrow<R>{
        public R method() throws Exception;
    }
    
    public static <T> T tryBlock(MayThrow<T> throwing) {
        try{
            T obj = throwing.method();
            return obj;
        } catch(Exception e) {