Example usage for java.awt.event KeyEvent VK

Introduction

In this page you can find the example usage for java.awt.event KeyEvent VK_UNDERSCORE.

Prototype

int VK_UNDERSCORE

To view the source code for java.awt.event KeyEvent VK_UNDERSCORE.

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Document

Constant for the "_" key.

Usage

From source file:Main.java

public static String getKeyText(int keyCode) {
    if (keyCode >= KeyEvent.VK_0 && keyCode <= KeyEvent.VK_9
            || keyCode >= KeyEvent.VK_A && keyCode <= KeyEvent.VK_Z) {
        return String.valueOf((char) keyCode);
    }//www  .j  a v  a 2 s . c o  m

    switch (keyCode) {
    case KeyEvent.VK_COMMA:
        return "COMMA";
    case KeyEvent.VK_PERIOD:
        return "PERIOD";
    case KeyEvent.VK_SLASH:
        return "SLASH";
    case KeyEvent.VK_SEMICOLON:
        return "SEMICOLON";
    case KeyEvent.VK_EQUALS:
        return "EQUALS";
    case KeyEvent.VK_OPEN_BRACKET:
        return "OPEN_BRACKET";
    case KeyEvent.VK_BACK_SLASH:
        return "BACK_SLASH";
    case KeyEvent.VK_CLOSE_BRACKET:
        return "CLOSE_BRACKET";

    case KeyEvent.VK_ENTER:
        return "ENTER";
    case KeyEvent.VK_BACK_SPACE:
        return "BACK_SPACE";
    case KeyEvent.VK_TAB:
        return "TAB";
    case KeyEvent.VK_CANCEL:
        return "CANCEL";
    case KeyEvent.VK_CLEAR:
        return "CLEAR";
    case KeyEvent.VK_SHIFT:
        return "SHIFT";
    case KeyEvent.VK_CONTROL:
        return "CONTROL";
    case KeyEvent.VK_ALT:
        return "ALT";
    case KeyEvent.VK_PAUSE:
        return "PAUSE";
    case KeyEvent.VK_CAPS_LOCK:
        return "CAPS_LOCK";
    case KeyEvent.VK_ESCAPE:
        return "ESCAPE";
    case KeyEvent.VK_SPACE:
        return "SPACE";
    case KeyEvent.VK_PAGE_UP:
        return "PAGE_UP";
    case KeyEvent.VK_PAGE_DOWN:
        return "PAGE_DOWN";
    case KeyEvent.VK_END:
        return "END";
    case KeyEvent.VK_HOME:
        return "HOME";
    case KeyEvent.VK_LEFT:
        return "LEFT";
    case KeyEvent.VK_UP:
        return "UP";
    case KeyEvent.VK_RIGHT:
        return "RIGHT";
    case KeyEvent.VK_DOWN:
        return "DOWN";

    // numpad numeric keys handled below
    case KeyEvent.VK_MULTIPLY:
        return "MULTIPLY";
    case KeyEvent.VK_ADD:
        return "ADD";
    case KeyEvent.VK_SEPARATOR:
        return "SEPARATOR";
    case KeyEvent.VK_SUBTRACT:
        return "SUBTRACT";
    case KeyEvent.VK_DECIMAL:
        return "DECIMAL";
    case KeyEvent.VK_DIVIDE:
        return "DIVIDE";
    case KeyEvent.VK_DELETE:
        return "DELETE";
    case KeyEvent.VK_NUM_LOCK:
        return "NUM_LOCK";
    case KeyEvent.VK_SCROLL_LOCK:
        return "SCROLL_LOCK";

    case KeyEvent.VK_F1:
        return "F1";
    case KeyEvent.VK_F2:
        return "F2";
    case KeyEvent.VK_F3:
        return "F3";
    case KeyEvent.VK_F4:
        return "F4";
    case KeyEvent.VK_F5:
        return "F5";
    case KeyEvent.VK_F6:
        return "F6";
    case KeyEvent.VK_F7:
        return "F7";
    case KeyEvent.VK_F8:
        return "F8";
    case KeyEvent.VK_F9:
        return "F9";
    case KeyEvent.VK_F10:
        return "F10";
    case KeyEvent.VK_F11:
        return "F11";
    case KeyEvent.VK_F12:
        return "F12";
    case KeyEvent.VK_F13:
        return "F13";
    case KeyEvent.VK_F14:
        return "F14";
    case KeyEvent.VK_F15:
        return "F15";
    case KeyEvent.VK_F16:
        return "F16";
    case KeyEvent.VK_F17:
        return "F17";
    case KeyEvent.VK_F18:
        return "F18";
    case KeyEvent.VK_F19:
        return "F19";
    case KeyEvent.VK_F20:
        return "F20";
    case KeyEvent.VK_F21:
        return "F21";
    case KeyEvent.VK_F22:
        return "F22";
    case KeyEvent.VK_F23:
        return "F23";
    case KeyEvent.VK_F24:
        return "F24";

    case KeyEvent.VK_PRINTSCREEN:
        return "PRINTSCREEN";
    case KeyEvent.VK_INSERT:
        return "INSERT";
    case KeyEvent.VK_HELP:
        return "HELP";
    case KeyEvent.VK_META:
        return "META";
    case KeyEvent.VK_BACK_QUOTE:
        return "BACK_QUOTE";
    case KeyEvent.VK_QUOTE:
        return "QUOTE";

    case KeyEvent.VK_KP_UP:
        return "KP_UP";
    case KeyEvent.VK_KP_DOWN:
        return "KP_DOWN";
    case KeyEvent.VK_KP_LEFT:
        return "KP_LEFT";
    case KeyEvent.VK_KP_RIGHT:
        return "KP_RIGHT";

    case KeyEvent.VK_DEAD_GRAVE:
        return "DEAD_GRAVE";
    case KeyEvent.VK_DEAD_ACUTE:
        return "DEAD_ACUTE";
    case KeyEvent.VK_DEAD_CIRCUMFLEX:
        return "DEAD_CIRCUMFLEX";
    case KeyEvent.VK_DEAD_TILDE:
        return "DEAD_TILDE";
    case KeyEvent.VK_DEAD_MACRON:
        return "DEAD_MACRON";
    case KeyEvent.VK_DEAD_BREVE:
        return "DEAD_BREVE";
    case KeyEvent.VK_DEAD_ABOVEDOT:
        return "DEAD_ABOVEDOT";
    case KeyEvent.VK_DEAD_DIAERESIS:
        return "DEAD_DIAERESIS";
    case KeyEvent.VK_DEAD_ABOVERING:
        return "DEAD_ABOVERING";
    case KeyEvent.VK_DEAD_DOUBLEACUTE:
        return "DEAD_DOUBLEACUTE";
    case KeyEvent.VK_DEAD_CARON:
        return "DEAD_CARON";
    case KeyEvent.VK_DEAD_CEDILLA:
        return "DEAD_CEDILLA";
    case KeyEvent.VK_DEAD_OGONEK:
        return "DEAD_OGONEK";
    case KeyEvent.VK_DEAD_IOTA:
        return "DEAD_IOTA";
    case KeyEvent.VK_DEAD_VOICED_SOUND:
        return "DEAD_VOICED_SOUND";
    case KeyEvent.VK_DEAD_SEMIVOICED_SOUND:
        return "DEAD_SEMIVOICED_SOUND";

    case KeyEvent.VK_AMPERSAND:
        return "AMPERSAND";
    case KeyEvent.VK_ASTERISK:
        return "ASTERISK";
    case KeyEvent.VK_QUOTEDBL:
        return "QUOTEDBL";
    case KeyEvent.VK_LESS:
        return "LESS";
    case KeyEvent.VK_GREATER:
        return "GREATER";
    case KeyEvent.VK_BRACELEFT:
        return "BRACELEFT";
    case KeyEvent.VK_BRACERIGHT:
        return "BRACERIGHT";
    case KeyEvent.VK_AT:
        return "AT";
    case KeyEvent.VK_COLON:
        return "COLON";
    case KeyEvent.VK_CIRCUMFLEX:
        return "CIRCUMFLEX";
    case KeyEvent.VK_DOLLAR:
        return "DOLLAR";
    case KeyEvent.VK_EURO_SIGN:
        return "EURO_SIGN";
    case KeyEvent.VK_EXCLAMATION_MARK:
        return "EXCLAMATION_MARK";
    case KeyEvent.VK_INVERTED_EXCLAMATION_MARK:
        return "INVERTED_EXCLAMATION_MARK";
    case KeyEvent.VK_LEFT_PARENTHESIS:
        return "LEFT_PARENTHESIS";
    case KeyEvent.VK_NUMBER_SIGN:
        return "NUMBER_SIGN";
    case KeyEvent.VK_MINUS:
        return "MINUS";
    case KeyEvent.VK_PLUS:
        return "PLUS";
    case KeyEvent.VK_RIGHT_PARENTHESIS:
        return "RIGHT_PARENTHESIS";
    case KeyEvent.VK_UNDERSCORE:
        return "UNDERSCORE";

    case KeyEvent.VK_FINAL:
        return "FINAL";
    case KeyEvent.VK_CONVERT:
        return "CONVERT";
    case KeyEvent.VK_NONCONVERT:
        return "NONCONVERT";
    case KeyEvent.VK_ACCEPT:
        return "ACCEPT";
    case KeyEvent.VK_MODECHANGE:
        return "MODECHANGE";
    case KeyEvent.VK_KANA:
        return "KANA";
    case KeyEvent.VK_KANJI:
        return "KANJI";
    case KeyEvent.VK_ALPHANUMERIC:
        return "ALPHANUMERIC";
    case KeyEvent.VK_KATAKANA:
        return "KATAKANA";
    case KeyEvent.VK_HIRAGANA:
        return "HIRAGANA";
    case KeyEvent.VK_FULL_WIDTH:
        return "FULL_WIDTH";
    case KeyEvent.VK_HALF_WIDTH:
        return "HALF_WIDTH";
    case KeyEvent.VK_ROMAN_CHARACTERS:
        return "ROMAN_CHARACTERS";
    case KeyEvent.VK_ALL_CANDIDATES:
        return "ALL_CANDIDATES";
    case KeyEvent.VK_PREVIOUS_CANDIDATE:
        return "PREVIOUS_CANDIDATE";
    case KeyEvent.VK_CODE_INPUT:
        return "CODE_INPUT";
    case KeyEvent.VK_JAPANESE_KATAKANA:
        return "JAPANESE_KATAKANA";
    case KeyEvent.VK_JAPANESE_HIRAGANA:
        return "JAPANESE_HIRAGANA";
    case KeyEvent.VK_JAPANESE_ROMAN:
        return "JAPANESE_ROMAN";
    case KeyEvent.VK_KANA_LOCK:
        return "KANA_LOCK";
    case KeyEvent.VK_INPUT_METHOD_ON_OFF:
        return "INPUT_METHOD_ON_OFF";

    case KeyEvent.VK_AGAIN:
        return "AGAIN";
    case KeyEvent.VK_UNDO:
        return "UNDO";
    case KeyEvent.VK_COPY:
        return "COPY";
    case KeyEvent.VK_PASTE:
        return "PASTE";
    case KeyEvent.VK_CUT:
        return "CUT";
    case KeyEvent.VK_FIND:
        return "FIND";
    case KeyEvent.VK_PROPS:
        return "PROPS";
    case KeyEvent.VK_STOP:
        return "STOP";

    case KeyEvent.VK_COMPOSE:
        return "COMPOSE";
    case KeyEvent.VK_ALT_GRAPH:
        return "ALT_GRAPH";
    }

    if (keyCode >= KeyEvent.VK_NUMPAD0 && keyCode <= KeyEvent.VK_NUMPAD9) {
        char c = (char) (keyCode - KeyEvent.VK_NUMPAD0 + '0');
        return "NUMPAD" + c;
    }

    return "unknown(0x" + Integer.toString(keyCode, 16) + ")";
}

From source file:Main.java

static String getKeyText(int keyCode) {
    if (keyCode >= KeyEvent.VK_0 && keyCode <= KeyEvent.VK_9
            || keyCode >= KeyEvent.VK_A && keyCode <= KeyEvent.VK_Z) {
        return String.valueOf((char) keyCode);
    }// w ww.j  a v a  2 s .co  m
    switch (keyCode) {
    case KeyEvent.VK_COMMA:
        return "COMMA";
    case KeyEvent.VK_PERIOD:
        return "PERIOD";
    case KeyEvent.VK_SLASH:
        return "SLASH";
    case KeyEvent.VK_SEMICOLON:
        return "SEMICOLON";
    case KeyEvent.VK_EQUALS:
        return "EQUALS";
    case KeyEvent.VK_OPEN_BRACKET:
        return "OPEN_BRACKET";
    case KeyEvent.VK_BACK_SLASH:
        return "BACK_SLASH";
    case KeyEvent.VK_CLOSE_BRACKET:
        return "CLOSE_BRACKET";
    case KeyEvent.VK_ENTER:
        return "ENTER";
    case KeyEvent.VK_BACK_SPACE:
        return "BACK_SPACE";
    case KeyEvent.VK_TAB:
        return "TAB";
    case KeyEvent.VK_CANCEL:
        return "CANCEL";
    case KeyEvent.VK_CLEAR:
        return "CLEAR";
    case KeyEvent.VK_SHIFT:
        return "SHIFT";
    case KeyEvent.VK_CONTROL:
        return "CONTROL";
    case KeyEvent.VK_ALT:
        return "ALT";
    case KeyEvent.VK_PAUSE:
        return "PAUSE";
    case KeyEvent.VK_CAPS_LOCK:
        return "CAPS_LOCK";
    case KeyEvent.VK_ESCAPE:
        return "ESCAPE";
    case KeyEvent.VK_SPACE:
        return "SPACE";
    case KeyEvent.VK_PAGE_UP:
        return "PAGE_UP";
    case KeyEvent.VK_PAGE_DOWN:
        return "PAGE_DOWN";
    case KeyEvent.VK_END:
        return "END";
    case KeyEvent.VK_HOME:
        return "HOME";
    case KeyEvent.VK_LEFT:
        return "LEFT";
    case KeyEvent.VK_UP:
        return "UP";
    case KeyEvent.VK_RIGHT:
        return "RIGHT";
    case KeyEvent.VK_DOWN:
        return "DOWN";
    case KeyEvent.VK_MULTIPLY:
        return "MULTIPLY";
    case KeyEvent.VK_ADD:
        return "ADD";
    case KeyEvent.VK_SEPARATOR:
        return "SEPARATOR";
    case KeyEvent.VK_SUBTRACT:
        return "SUBTRACT";
    case KeyEvent.VK_DECIMAL:
        return "DECIMAL";
    case KeyEvent.VK_DIVIDE:
        return "DIVIDE";
    case KeyEvent.VK_DELETE:
        return "DELETE";
    case KeyEvent.VK_NUM_LOCK:
        return "NUM_LOCK";
    case KeyEvent.VK_SCROLL_LOCK:
        return "SCROLL_LOCK";
    case KeyEvent.VK_F1:
        return "F1";
    case KeyEvent.VK_F2:
        return "F2";
    case KeyEvent.VK_F3:
        return "F3";
    case KeyEvent.VK_F4:
        return "F4";
    case KeyEvent.VK_F5:
        return "F5";
    case KeyEvent.VK_F6:
        return "F6";
    case KeyEvent.VK_F7:
        return "F7";
    case KeyEvent.VK_F8:
        return "F8";
    case KeyEvent.VK_F9:
        return "F9";
    case KeyEvent.VK_F10:
        return "F10";
    case KeyEvent.VK_F11:
        return "F11";
    case KeyEvent.VK_F12:
        return "F12";
    case KeyEvent.VK_F13:
        return "F13";
    case KeyEvent.VK_F14:
        return "F14";
    case KeyEvent.VK_F15:
        return "F15";
    case KeyEvent.VK_F16:
        return "F16";
    case KeyEvent.VK_F17:
        return "F17";
    case KeyEvent.VK_F18:
        return "F18";
    case KeyEvent.VK_F19:
        return "F19";
    case KeyEvent.VK_F20:
        return "F20";
    case KeyEvent.VK_F21:
        return "F21";
    case KeyEvent.VK_F22:
        return "F22";
    case KeyEvent.VK_F23:
        return "F23";
    case KeyEvent.VK_F24:
        return "F24";
    case KeyEvent.VK_PRINTSCREEN:
        return "PRINTSCREEN";
    case KeyEvent.VK_INSERT:
        return "INSERT";
    case KeyEvent.VK_HELP:
        return "HELP";
    case KeyEvent.VK_META:
        return "META";
    case KeyEvent.VK_BACK_QUOTE:
        return "BACK_QUOTE";
    case KeyEvent.VK_QUOTE:
        return "QUOTE";
    case KeyEvent.VK_KP_UP:
        return "KP_UP";
    case KeyEvent.VK_KP_DOWN:
        return "KP_DOWN";
    case KeyEvent.VK_KP_LEFT:
        return "KP_LEFT";
    case KeyEvent.VK_KP_RIGHT:
        return "KP_RIGHT";
    case KeyEvent.VK_DEAD_GRAVE:
        return "DEAD_GRAVE";
    case KeyEvent.VK_DEAD_ACUTE:
        return "DEAD_ACUTE";
    case KeyEvent.VK_DEAD_CIRCUMFLEX:
        return "DEAD_CIRCUMFLEX";
    case KeyEvent.VK_DEAD_TILDE:
        return "DEAD_TILDE";
    case KeyEvent.VK_DEAD_MACRON:
        return "DEAD_MACRON";
    case KeyEvent.VK_DEAD_BREVE:
        return "DEAD_BREVE";
    case KeyEvent.VK_DEAD_ABOVEDOT:
        return "DEAD_ABOVEDOT";
    case KeyEvent.VK_DEAD_DIAERESIS:
        return "DEAD_DIAERESIS";
    case KeyEvent.VK_DEAD_ABOVERING:
        return "DEAD_ABOVERING";
    case KeyEvent.VK_DEAD_DOUBLEACUTE:
        return "DEAD_DOUBLEACUTE";
    case KeyEvent.VK_DEAD_CARON:
        return "DEAD_CARON";
    case KeyEvent.VK_DEAD_CEDILLA:
        return "DEAD_CEDILLA";
    case KeyEvent.VK_DEAD_OGONEK:
        return "DEAD_OGONEK";
    case KeyEvent.VK_DEAD_IOTA:
        return "DEAD_IOTA";
    case KeyEvent.VK_DEAD_VOICED_SOUND:
        return "DEAD_VOICED_SOUND";
    case KeyEvent.VK_DEAD_SEMIVOICED_SOUND:
        return "DEAD_SEMIVOICED_SOUND";
    case KeyEvent.VK_AMPERSAND:
        return "AMPERSAND";
    case KeyEvent.VK_ASTERISK:
        return "ASTERISK";
    case KeyEvent.VK_QUOTEDBL:
        return "QUOTEDBL";
    case KeyEvent.VK_LESS:
        return "LESS";
    case KeyEvent.VK_GREATER:
        return "GREATER";
    case KeyEvent.VK_BRACELEFT:
        return "BRACELEFT";
    case KeyEvent.VK_BRACERIGHT:
        return "BRACERIGHT";
    case KeyEvent.VK_AT:
        return "AT";
    case KeyEvent.VK_COLON:
        return "COLON";
    case KeyEvent.VK_CIRCUMFLEX:
        return "CIRCUMFLEX";
    case KeyEvent.VK_DOLLAR:
        return "DOLLAR";
    case KeyEvent.VK_EURO_SIGN:
        return "EURO_SIGN";
    case KeyEvent.VK_EXCLAMATION_MARK:
        return "EXCLAMATION_MARK";
    case KeyEvent.VK_INVERTED_EXCLAMATION_MARK:
        return "INVERTED_EXCLAMATION_MARK";
    case KeyEvent.VK_LEFT_PARENTHESIS:
        return "LEFT_PARENTHESIS";
    case KeyEvent.VK_NUMBER_SIGN:
        return "NUMBER_SIGN";
    case KeyEvent.VK_MINUS:
        return "MINUS";
    case KeyEvent.VK_PLUS:
        return "PLUS";
    case KeyEvent.VK_RIGHT_PARENTHESIS:
        return "RIGHT_PARENTHESIS";
    case KeyEvent.VK_UNDERSCORE:
        return "UNDERSCORE";
    case KeyEvent.VK_FINAL:
        return "FINAL";
    case KeyEvent.VK_CONVERT:
        return "CONVERT";
    case KeyEvent.VK_NONCONVERT:
        return "NONCONVERT";
    case KeyEvent.VK_ACCEPT:
        return "ACCEPT";
    case KeyEvent.VK_MODECHANGE:
        return "MODECHANGE";
    case KeyEvent.VK_KANA:
        return "KANA";
    case KeyEvent.VK_KANJI:
        return "KANJI";
    case KeyEvent.VK_ALPHANUMERIC:
        return "ALPHANUMERIC";
    case KeyEvent.VK_KATAKANA:
        return "KATAKANA";
    case KeyEvent.VK_HIRAGANA:
        return "HIRAGANA";
    case KeyEvent.VK_FULL_WIDTH:
        return "FULL_WIDTH";
    case KeyEvent.VK_HALF_WIDTH:
        return "HALF_WIDTH";
    case KeyEvent.VK_ROMAN_CHARACTERS:
        return "ROMAN_CHARACTERS";
    case KeyEvent.VK_ALL_CANDIDATES:
        return "ALL_CANDIDATES";
    case KeyEvent.VK_PREVIOUS_CANDIDATE:
        return "PREVIOUS_CANDIDATE";
    case KeyEvent.VK_CODE_INPUT:
        return "CODE_INPUT";
    case KeyEvent.VK_JAPANESE_KATAKANA:
        return "JAPANESE_KATAKANA";
    case KeyEvent.VK_JAPANESE_HIRAGANA:
        return "JAPANESE_HIRAGANA";
    case KeyEvent.VK_JAPANESE_ROMAN:
        return "JAPANESE_ROMAN";
    case KeyEvent.VK_KANA_LOCK:
        return "KANA_LOCK";
    case KeyEvent.VK_INPUT_METHOD_ON_OFF:
        return "INPUT_METHOD_ON_OFF";

    case KeyEvent.VK_AGAIN:
        return "AGAIN";
    case KeyEvent.VK_UNDO:
        return "UNDO";
    case KeyEvent.VK_COPY:
        return "COPY";
    case KeyEvent.VK_PASTE:
        return "PASTE";
    case KeyEvent.VK_CUT:
        return "CUT";
    case KeyEvent.VK_FIND:
        return "FIND";
    case KeyEvent.VK_PROPS:
        return "PROPS";
    case KeyEvent.VK_STOP:
        return "STOP";

    case KeyEvent.VK_COMPOSE:
        return "COMPOSE";
    case KeyEvent.VK_ALT_GRAPH:
        return "ALT_GRAPH";
    }

    if (keyCode >= KeyEvent.VK_NUMPAD0 && keyCode <= KeyEvent.VK_NUMPAD9) {
        char c = (char) (keyCode - KeyEvent.VK_NUMPAD0 + '0');
        return "NUMPAD" + c;
    }

    return "unknown(0x" + Integer.toString(keyCode, 16) + ")";
}

From source file:Main.java

static String getKeyText(int keyCode) {
    if (keyCode >= KeyEvent.VK_0 && keyCode <= KeyEvent.VK_9
            || keyCode >= KeyEvent.VK_A && keyCode <= KeyEvent.VK_Z) {
        return String.valueOf((char) keyCode);
    }/*from   w  w  w . j a  v a2  s . c  o  m*/
    switch (keyCode) {
    case KeyEvent.VK_COMMA:
        return "COMMA";
    case KeyEvent.VK_PERIOD:
        return "PERIOD";
    case KeyEvent.VK_SLASH:
        return "SLASH";
    case KeyEvent.VK_SEMICOLON:
        return "SEMICOLON";
    case KeyEvent.VK_EQUALS:
        return "EQUALS";
    case KeyEvent.VK_OPEN_BRACKET:
        return "OPEN_BRACKET";
    case KeyEvent.VK_BACK_SLASH:
        return "BACK_SLASH";
    case KeyEvent.VK_CLOSE_BRACKET:
        return "CLOSE_BRACKET";
    case KeyEvent.VK_ENTER:
        return "ENTER";
    case KeyEvent.VK_BACK_SPACE:
        return "BACK_SPACE";
    case KeyEvent.VK_TAB:
        return "TAB";
    case KeyEvent.VK_CANCEL:
        return "CANCEL";
    case KeyEvent.VK_CLEAR:
        return "CLEAR";
    case KeyEvent.VK_SHIFT:
        return "SHIFT";
    case KeyEvent.VK_CONTROL:
        return "CONTROL";
    case KeyEvent.VK_ALT:
        return "ALT";
    case KeyEvent.VK_PAUSE:
        return "PAUSE";
    case KeyEvent.VK_CAPS_LOCK:
        return "CAPS_LOCK";
    case KeyEvent.VK_ESCAPE:
        return "ESCAPE";
    case KeyEvent.VK_SPACE:
        return "SPACE";
    case KeyEvent.VK_PAGE_UP:
        return "PAGE_UP";
    case KeyEvent.VK_PAGE_DOWN:
        return "PAGE_DOWN";
    case KeyEvent.VK_END:
        return "END";
    case KeyEvent.VK_HOME:
        return "HOME";
    case KeyEvent.VK_LEFT:
        return "LEFT";
    case KeyEvent.VK_UP:
        return "UP";
    case KeyEvent.VK_RIGHT:
        return "RIGHT";
    case KeyEvent.VK_DOWN:
        return "DOWN";
    // numpad numeric keys handled below
    case KeyEvent.VK_MULTIPLY:
        return "MULTIPLY";
    case KeyEvent.VK_ADD:
        return "ADD";
    case KeyEvent.VK_SEPARATOR:
        return "SEPARATOR";
    case KeyEvent.VK_SUBTRACT:
        return "SUBTRACT";
    case KeyEvent.VK_DECIMAL:
        return "DECIMAL";
    case KeyEvent.VK_DIVIDE:
        return "DIVIDE";
    case KeyEvent.VK_DELETE:
        return "DELETE";
    case KeyEvent.VK_NUM_LOCK:
        return "NUM_LOCK";
    case KeyEvent.VK_SCROLL_LOCK:
        return "SCROLL_LOCK";
    case KeyEvent.VK_F1:
        return "F1";
    case KeyEvent.VK_F2:
        return "F2";
    case KeyEvent.VK_F3:
        return "F3";
    case KeyEvent.VK_F4:
        return "F4";
    case KeyEvent.VK_F5:
        return "F5";
    case KeyEvent.VK_F6:
        return "F6";
    case KeyEvent.VK_F7:
        return "F7";
    case KeyEvent.VK_F8:
        return "F8";
    case KeyEvent.VK_F9:
        return "F9";
    case KeyEvent.VK_F10:
        return "F10";
    case KeyEvent.VK_F11:
        return "F11";
    case KeyEvent.VK_F12:
        return "F12";
    case KeyEvent.VK_F13:
        return "F13";
    case KeyEvent.VK_F14:
        return "F14";
    case KeyEvent.VK_F15:
        return "F15";
    case KeyEvent.VK_F16:
        return "F16";
    case KeyEvent.VK_F17:
        return "F17";
    case KeyEvent.VK_F18:
        return "F18";
    case KeyEvent.VK_F19:
        return "F19";
    case KeyEvent.VK_F20:
        return "F20";
    case KeyEvent.VK_F21:
        return "F21";
    case KeyEvent.VK_F22:
        return "F22";
    case KeyEvent.VK_F23:
        return "F23";
    case KeyEvent.VK_F24:
        return "F24";
    case KeyEvent.VK_PRINTSCREEN:
        return "PRINTSCREEN";
    case KeyEvent.VK_INSERT:
        return "INSERT";
    case KeyEvent.VK_HELP:
        return "HELP";
    case KeyEvent.VK_META:
        return "META";
    case KeyEvent.VK_BACK_QUOTE:
        return "BACK_QUOTE";
    case KeyEvent.VK_QUOTE:
        return "QUOTE";
    case KeyEvent.VK_KP_UP:
        return "KP_UP";
    case KeyEvent.VK_KP_DOWN:
        return "KP_DOWN";
    case KeyEvent.VK_KP_LEFT:
        return "KP_LEFT";
    case KeyEvent.VK_KP_RIGHT:
        return "KP_RIGHT";
    case KeyEvent.VK_DEAD_GRAVE:
        return "DEAD_GRAVE";
    case KeyEvent.VK_DEAD_ACUTE:
        return "DEAD_ACUTE";
    case KeyEvent.VK_DEAD_CIRCUMFLEX:
        return "DEAD_CIRCUMFLEX";
    case KeyEvent.VK_DEAD_TILDE:
        return "DEAD_TILDE";
    case KeyEvent.VK_DEAD_MACRON:
        return "DEAD_MACRON";
    case KeyEvent.VK_DEAD_BREVE:
        return "DEAD_BREVE";
    case KeyEvent.VK_DEAD_ABOVEDOT:
        return "DEAD_ABOVEDOT";
    case KeyEvent.VK_DEAD_DIAERESIS:
        return "DEAD_DIAERESIS";
    case KeyEvent.VK_DEAD_ABOVERING:
        return "DEAD_ABOVERING";
    case KeyEvent.VK_DEAD_DOUBLEACUTE:
        return "DEAD_DOUBLEACUTE";
    case KeyEvent.VK_DEAD_CARON:
        return "DEAD_CARON";
    case KeyEvent.VK_DEAD_CEDILLA:
        return "DEAD_CEDILLA";
    case KeyEvent.VK_DEAD_OGONEK:
        return "DEAD_OGONEK";
    case KeyEvent.VK_DEAD_IOTA:
        return "DEAD_IOTA";
    case KeyEvent.VK_DEAD_VOICED_SOUND:
        return "DEAD_VOICED_SOUND";
    case KeyEvent.VK_DEAD_SEMIVOICED_SOUND:
        return "DEAD_SEMIVOICED_SOUND";
    case KeyEvent.VK_AMPERSAND:
        return "AMPERSAND";
    case KeyEvent.VK_ASTERISK:
        return "ASTERISK";
    case KeyEvent.VK_QUOTEDBL:
        return "QUOTEDBL";
    case KeyEvent.VK_LESS:
        return "LESS";
    case KeyEvent.VK_GREATER:
        return "GREATER";
    case KeyEvent.VK_BRACELEFT:
        return "BRACELEFT";
    case KeyEvent.VK_BRACERIGHT:
        return "BRACERIGHT";
    case KeyEvent.VK_AT:
        return "AT";
    case KeyEvent.VK_COLON:
        return "COLON";
    case KeyEvent.VK_CIRCUMFLEX:
        return "CIRCUMFLEX";
    case KeyEvent.VK_DOLLAR:
        return "DOLLAR";
    case KeyEvent.VK_EURO_SIGN:
        return "EURO_SIGN";
    case KeyEvent.VK_EXCLAMATION_MARK:
        return "EXCLAMATION_MARK";
    case KeyEvent.VK_INVERTED_EXCLAMATION_MARK:
        return "INVERTED_EXCLAMATION_MARK";
    case KeyEvent.VK_LEFT_PARENTHESIS:
        return "LEFT_PARENTHESIS";
    case KeyEvent.VK_NUMBER_SIGN:
        return "NUMBER_SIGN";
    case KeyEvent.VK_MINUS:
        return "MINUS";
    case KeyEvent.VK_PLUS:
        return "PLUS";
    case KeyEvent.VK_RIGHT_PARENTHESIS:
        return "RIGHT_PARENTHESIS";
    case KeyEvent.VK_UNDERSCORE:
        return "UNDERSCORE";
    case KeyEvent.VK_FINAL:
        return "FINAL";
    case KeyEvent.VK_CONVERT:
        return "CONVERT";
    case KeyEvent.VK_NONCONVERT:
        return "NONCONVERT";
    case KeyEvent.VK_ACCEPT:
        return "ACCEPT";
    case KeyEvent.VK_MODECHANGE:
        return "MODECHANGE";
    case KeyEvent.VK_KANA:
        return "KANA";
    case KeyEvent.VK_KANJI:
        return "KANJI";
    case KeyEvent.VK_ALPHANUMERIC:
        return "ALPHANUMERIC";
    case KeyEvent.VK_KATAKANA:
        return "KATAKANA";
    case KeyEvent.VK_HIRAGANA:
        return "HIRAGANA";
    case KeyEvent.VK_FULL_WIDTH:
        return "FULL_WIDTH";
    case KeyEvent.VK_HALF_WIDTH:
        return "HALF_WIDTH";
    case KeyEvent.VK_ROMAN_CHARACTERS:
        return "ROMAN_CHARACTERS";
    case KeyEvent.VK_ALL_CANDIDATES:
        return "ALL_CANDIDATES";
    case KeyEvent.VK_PREVIOUS_CANDIDATE:
        return "PREVIOUS_CANDIDATE";
    case KeyEvent.VK_CODE_INPUT:
        return "CODE_INPUT";
    case KeyEvent.VK_JAPANESE_KATAKANA:
        return "JAPANESE_KATAKANA";
    case KeyEvent.VK_JAPANESE_HIRAGANA:
        return "JAPANESE_HIRAGANA";
    case KeyEvent.VK_JAPANESE_ROMAN:
        return "JAPANESE_ROMAN";
    case KeyEvent.VK_KANA_LOCK:
        return "KANA_LOCK";
    case KeyEvent.VK_INPUT_METHOD_ON_OFF:
        return "INPUT_METHOD_ON_OFF";

    case KeyEvent.VK_AGAIN:
        return "AGAIN";
    case KeyEvent.VK_UNDO:
        return "UNDO";
    case KeyEvent.VK_COPY:
        return "COPY";
    case KeyEvent.VK_PASTE:
        return "PASTE";
    case KeyEvent.VK_CUT:
        return "CUT";
    case KeyEvent.VK_FIND:
        return "FIND";
    case KeyEvent.VK_PROPS:
        return "PROPS";
    case KeyEvent.VK_STOP:
        return "STOP";

    case KeyEvent.VK_COMPOSE:
        return "COMPOSE";
    case KeyEvent.VK_ALT_GRAPH:
        return "ALT_GRAPH";
    }

    if (keyCode >= KeyEvent.VK_NUMPAD0 && keyCode <= KeyEvent.VK_NUMPAD9) {
        char c = (char) (keyCode - KeyEvent.VK_NUMPAD0 + '0');
        return "NUMPAD" + c;
    }

    return "unknown(0x" + Integer.toString(keyCode, 16) + ")";
}

Example usage for java.awt.event KeyEvent VK_UNDERSCORE

Introduction

Prototype

Document

Usage