question: private void addMnemonic ( int index , int mnemonic ) { if ( mnemonicToIndexMap == null ) { initMnemonics ( ) ; } mnemonicInputMap . put ( KeyStroke . getKeyStroke ( mnemonic , BasicLookAndFeel . getFocusAcceleratorKeyMask ( ) ) , "setSelectedIndex" ) ; mnemonicToIndexMap . put ( Integer . valueOf ( mnemonic ) , Integer . valueOf ( index ) ) ; }
target:  Adds the specified mnemonic at the specified index.