Modify one system config.

@param key   need update config's key
@param value new config value
@throws IOException
429290
public static void modifySystemConfig(IConfigKey key, String value) throws IOException {
        systemConfigs.modifyConfig(key, value);
    }
771225
<T> void setValueInternal(String key, T value) {
		if (key == null) {
			throw new NullPointerException("Key must not be null.");
		}
		if (value == null) {
			throw new NullPointerException("Value must not be null.");
		}

		synchronized (this.confData) {
			this.confData.put(key, value);
		}
	}
891506
public static void setProperty(String key, String value) {
		local.get().cc.setProperty(key, value);
	}
1006607
public final void put(String key, int value)
  {

    if ((m_firstFree + 1) >= m_mapSize)
    {
      m_mapSize += m_blocksize;

      String newMap[] = new String[m_mapSize];

      System.arraycopy(m_map, 0, newMap, 0, m_firstFree + 1);

      m_map = newMap;

      int newValues[] = new int[m_mapSize];

      System.arraycopy(m_values, 0, newValues, 0, m_firstFree + 1);

      m_values = newValues;
    }

    m_map[m_firstFree] = key;
    m_values[m_firstFree] = value;

    m_firstFree++;
  }
1171521
public void put(String key, int value)
  {
    put(key.toCharArray(), key.length(), value);
  }
552489
public static void config(String host, String personal, String from, String key) {
        setHost(host);
        setPersonal(personal);
        setFrom(from);
        setKey(key);
    }
95050
public static void setSystemPropertyIfIsNull(String key, Object value) {
        if (!System.getProperties().containsKey(key))
            System.setProperty(key, value.toString());
    }
928311
public function setConfig($key, $value)
    {
        $this->configuration = Hash::insert($this->getConfiguration(), $key, $value);
    }
1174545
public <T> void set(String key, T value) {
        data.put(key, value);
    }
100013
public Configuration set(String key, String value) {
    checkReadOnly();

    properties.put(key, value);
    return this;
  }
1087400
public static void put(final String key, final String value) {
		try {
			systemRoot.put(fixKey(key), value);
		} catch (final Exception e) {
			System.err.print(e);
		}
	}
1064338
public void setInt(@NotNull final String key, @NotNull final int value) {
        props.setProperty(key, String.valueOf(value));
        LOGGER.debug("Setting: {}='{}'", key, value);
    }
1272460
public void setParameter(final String key, final String value) {
		parameters.put(key, new String[]{value});
	}
1267350
public static void updateKey(String key, String value) {
		if (PROPERTIES.containsKey(key + ENC_SUFFIX)) {
			if (value != null) {
				PROPERTIES.setProperty(key + ENC_SUFFIX, StringEncryptorUtil.encrypt(value));
			}
		} else {
			PROPERTIES.setProperty(key, value != null ? value : "");
		}
	}
917090
public void configure(String key, String value) {
		if ("x".equalsIgnoreCase(key)) {
			xText = value;
		} else if ("y".equalsIgnoreCase(key)) {
			yText = value;
		}
	}
823173
public System2 setProperty(String key, String value) {
    System.setProperty(key, value);
    return this;
  }
33857
@JsonAnySetter
    public void putConfigurationValue(String key, Object value) {
        this.configuration.put(key, value);
    }