int count = 0;
        int prev = -1;
        Map<String, Object> source;
        while ((source = reader.read()) != null) {
            int current = Integer.parseInt(source.get("field2").toString());
            assertTrue(prev < current);
            prev = current;
            count++;
        }
        assertEquals(num, count);

        List<Integer> result = new ArrayList<Integer>();
        for (String s : versionStrs) {
            assertTrue(value, !isNumberStartingWithZero(s));
            try {
                result.add(Integer.parseInt(s));
            } catch (NumberFormatException e) {
                assertTrue(value, false);
            }
        }
        assertTrue(value, !result.isEmpty() && result.get(0) > 0);
        return result;
    }

        if (text.isEmpty()) {
            return PromptResult.response(defaultOption);
        }
        String trimmed = text.trim();
        if (trimmed.matches("\\d+")) {
            int value = Integer.parseInt(trimmed);
            if (value > 0 && value <= options.size()) {
                return PromptResult.response(value - 1);
            }
        }

		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;
    }


    /**

        String systemProperty = System.getProperty(propertyName);

        if (!StringUtils.isBlank(systemProperty)) {
            try {
                return Integer.parseInt(systemProperty);
            } catch (NumberFormatException e) {
                LOGGER.warn("Invalid value for java system property '{}': {}. Default timeout '{}' will be used.",

	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
}

    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

	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";