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## java.lang
Class System

    java.lang.Object
      java.lang.System

    public class System

extends Object

Constructor Summary
`System()`

Method Summary
`static void` | `arraycopy(Object src, int srcoffset, Object dest, int destoffset, int length)` copy one part of an array inside another
`static long` | `currentTimeMillis()` Returns the current of the virtual machines RTC.

Methods inherited from class java.lang.Object
`clone, equals, getClass, notifyAll, toString, wait`

Constructor Detail

### System

    public System()

Method Detail

### arraycopy

    public static void arraycopy(Object src,
                                 int srcoffset,
                                 Object dest,
                                 int destoffset,
                                 int length)

  copy one part of an array inside another

  Parameters:
    `src` -
    `srcoffset` -
    `dest` -
    `destoffset` -
    `length` -

### currentTimeMillis

    public static long currentTimeMillis()

  Returns the current of the virtual machines RTC. You can use this for measuring periods.

  Returns:
    the time in milliseconds

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