if i+2 >= len(s) {
			// Not enough characters remaining to be a valid escape
			// sequence.
			return "", fmt.Errorf("malformed prefix %q: escape sequence must contain two hex digits", s)
		}

		b, err := strconv.ParseUint(s[i+1:i+3], 16, 8)
		if err != nil {
			// Not a valid escape sequence.
			return "", fmt.Errorf("malformed prefix %q: escape sequence %q must contain two hex digits", s, s[i:i+3])
		}

		p = append(p, byte(b))

     */
    public static int getInt ( Properties props, String key, int def ) {
        String s = props.getProperty(key);
        if ( s != null ) {
            try {
                def = Integer.parseInt(s);
            }
            catch ( NumberFormatException nfe ) {
                log.error("Not a number", nfe);
            }
        }
        return def;
    }


    /**

    static JavaLanguageVersion of(int version) {
        return DefaultJavaLanguageVersion.of(version);
    }

    static JavaLanguageVersion of(String version) {
        return of(Integer.parseInt(version));
    }

    /**
     * Get the current (i.e., the current runtime) Java Language version.
     *
     * @return the current Java Language version
     * @since 8.8
     */
    @Incubating

	fs := strings.Split(s, ".")
	if len(fs) != 4 {
		return Addr{}, fmt.Errorf("netaddr.ParseIP(%q): invalid IP address", s)
	}
	var ret [4]byte
	for i := range ret {
		val, err := strconv.ParseUint(fs[i], 10, 8)
		if err != nil {
			return Addr{}, err
		}
		ret[i] = uint8(val)
	}
	return AddrFrom4([4]byte{ret[0], ret[1], ret[2], ret[3]}), nil
}

		}

		edge := NamedCallEdge{
			CallerName:     callerName,
			CalleeName:     calleeName,
			CallSiteOffset: co,
		}

		weight, err := strconv.ParseInt(split[1], 10, 64)
		if err != nil {
			return nil, fmt.Errorf("preprocessed profile error processing call weight: %w", err)
		}

		if _, ok := d.NamedEdgeMap.Weight[edge]; ok {

import java.util.regex.Pattern

class GpgCmdFixture {
    private static final Random RANDOM = new Random()
    private static final int ALL_DIGITS_AND_LETTERS_RADIX = 36
    private static final int MAX_RANDOM_PART_VALUE = Integer.parseInt("zzzzz", ALL_DIGITS_AND_LETTERS_RADIX)
    private static final Pattern GPG_VERSION_REGEX = Pattern.compile(/(?s).*gpg \(GnuPG\) (\d).\d+.\d+.*/)

    static String createRandomPrefix() {

                            return false;
                        } else {
                            return true;
                        }
                    }).forEach(line -> parseLine(line, uniqueLockState));
            } catch (IOException e) {
                throw new RuntimeException("Unable to load unique lockfile", e);
            }
            for (String emptyLockId : emptyLockIds) {

	ret := &resourceExpirationEvaluator{
		strictRemovedHandlingInAlpha: false,
	}
	if len(currentVersion.Major) > 0 {
		currentMajor64, err := strconv.ParseInt(currentVersion.Major, 10, 32)
		if err != nil {
			return nil, err
		}
		ret.currentMajor = int(currentMajor64)
	}
	if len(currentVersion.Minor) > 0 {
		// split the "normal" + and - for semver stuff

        }
    }

    private int initProxyPort(String proxyPortString) {
        if (StringUtils.isBlank(proxyPortString)) {
            return defaultPort;
        }
        try {
            return Integer.parseInt(proxyPortString);
        } catch (NumberFormatException e) {
            String key = propertyPrefix + ".proxyPort";

func parseTagFilterRange(filter string) func(int64, string) bool {
	ranges := tagFilterRangeRx.FindAllStringSubmatch(filter, 2)
	if len(ranges) == 0 {
		return nil // No ranges were identified
	}
	v, err := strconv.ParseInt(ranges[0][1], 10, 64)
	if err != nil {
		panic(fmt.Errorf("failed to parse int %s: %v", ranges[0][1], err))
	}
	scaledValue, unit := measurement.Scale(v, ranges[0][2], ranges[0][2])
	if len(ranges) == 1 {