MemoryUtil
Date: 2013-01-10

Overview | Package | Class | Tree | Deprecated | Index | Help
PREV CLASS NEXT CLASS | FRAMES NO FRAMES
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD

## org.apache.ivy.util
Class MemoryUtil

    java.lang.Object
      org.apache.ivy.util.MemoryUtil

    public final class MemoryUtil

extends java.lang.Object

Memory related utilities.

Method Summary
`static long` | `getUsedMemory()` Returns the currently used memory, after calling garbage collector and waiting enough to get maximal chance it is actually called.
`static void` | `main(java.lang.String[] args)`
`static long` | `sizeOf(java.lang.Class clazz)` Returns the approximate size of a default instance of the given class.

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

Method Detail

### sizeOf

    public static long sizeOf(java.lang.Class clazz)

  Returns the approximate size of a default instance of the given class.

  Parameters:
    `clazz` - the class to evaluate.
  Returns:
    the estimated size of instance, in bytes.

### getUsedMemory

    public static long getUsedMemory()

  Returns the currently used memory, after calling garbage collector and waiting enough to get maximal chance it is actually called. But since `Runtime.gc()` is only advisory, results returned by this method should be treated as rough approximation only.

  Returns:
    the currently used memory, in bytes.

### main

    public static void main(java.lang.String[] args)
                     throws java.lang.ClassNotFoundException

  Throws:
    `java.lang.ClassNotFoundException`

Overview | Package | Class | Tree | Deprecated | Index | Help
PREV CLASS NEXT CLASS | FRAMES NO FRAMES
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD