Java Examples
Java ExamplesPrograms with output

Java program to perform garbage collection


Example:
import java.util.*;
class JavaGarbage {
	public static void main(String s[]) throws Exception {
		Runtime x =  Runtime.getRuntime();
		System.out.println("Free Memory in JVM before Garbage Collection: "+x.freeMemory());
		x.gc();
		System.out.println("Free Memory in JVM after Garbage Collection: "+x.freeMemory());
	}
}
Output:
Free Memory in JVM before Garbage Collection: 13503432
Free Memory in JVM after Garbage Collection: 13756480

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