Answer Posted / ashwani maddeshiya

static void gc() // Requests GC to run
static void runFinalization() // Requests finalizers to run

OR
mport java.util.*;

class GarbageCollectionDemo
{
public static void main(String s[]) throws Exception
{
// Get runtime environment
Runtime rt = Runtime.getRuntime();
System.out.println("Free memory before Garbage Collection = "+rt.freeMemory());

// Apply garbage collection
rt.gc();
System.out.println("Free memory after Garbage Collection = "+rt.freeMemory());
}
}

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