public synchronized E peek() {try {return (E) elementData[elementCount - 1];} catch (IndexOutOfBoundsException e) {throw new EmptyStackException();}}

public synchronized E peek ( ) { try { return ( E ) elementData [ elementCount - 1 ] ; } catch ( IndexOutOfBoundsException e ) { throw new EmptyStackException ( ) ; } }
public virtual E peek(){lock (this){try{return (E)elementData[elementCount - 1];}catch (System.IndexOutOfRangeException){throw new java.util.EmptyStackException();}}}
