Java Utililty Methods Memory Available

long availableMemory()
Returns the amount of available memory (free memory plus never allocated memory).

return RUNTIME.freeMemory() + RUNTIME.maxMemory() - RUNTIME.totalMemory();

long availableMemory()
Determine the amount of available memory.

Runtime rt = Runtime.getRuntime();
return rt.maxMemory() - rt.totalMemory() + rt.freeMemory();

long availableMemory()
Returns the amount of available memory (free memory plus never allocated memory).

return Runtime.getRuntime().freeMemory()
 + (Runtime.getRuntime().maxMemory() - Runtime.getRuntime().totalMemory());

float availableMemoryPercent()
Returns the amount of available memory in percents.

return availableMemory() * 100.0f / Runtime.getRuntime().maxMemory();

long getAvailableMemory()
Gets the available memory.

Runtime runtime = Runtime.getRuntime();
int max = (int) (runtime.maxMemory() / 1024 / 1024);
int total = (int) (runtime.totalMemory() / 1024 / 1024);
int free = (int) (runtime.freeMemory() / 1024 / 1024);
free = free + max - total;
int used = max - free;
return free;

long getAvailableMemory()
get Available Memory

Runtime runtime = Runtime.getRuntime();
long maxMemory = runtime.maxMemory();
long allocatedMemory = runtime.totalMemory();
long freeMemory = runtime.freeMemory();
return freeMemory + (maxMemory - allocatedMemory);

long getAvailableMemory()
get Available Memory

long freeMemory = Runtime.getRuntime().freeMemory();
return getMaximumMemory() - freeMemory;

long getAvailableMemory()
TODO TEST!!

Runtime rt = Runtime.getRuntime();
long maxMem = rt.maxMemory();
long freeMem = rt.freeMemory();
long totalMem = rt.totalMemory();
long used = totalMem - freeMem;
long available = maxMem - used;
return available;

double getAvailableMemoryFraction()
get Available Memory Fraction

Runtime runtime = Runtime.getRuntime();
long maxMemory = runtime.maxMemory();
long allocatedMemory = runtime.totalMemory();
long freeMemory = runtime.freeMemory();
return (double) ((freeMemory + (maxMemory - allocatedMemory))) / maxMemory;

long getAvailableMemorySize()
Get available memory size

long maxMemorySize = 512 * 1024 * 1024;
if (Runtime.getRuntime().maxMemory() > maxMemorySize) {
 maxMemorySize = Runtime.getRuntime().maxMemory();
long freeMemorySize = Runtime.getRuntime().freeMemory();
long totalMemorySize = Runtime.getRuntime().totalMemory();
long usedMemorySize = totalMemorySize - freeMemorySize;
return maxMemorySize - usedMemorySize;
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