To remove a reference to an object is to set the reference variable to null. : Garbage Collection « Java Source And Data Type « SCJP






  1. SCJP
  2. Java Source And Data Type
  3. Garbage Collection
public class MainClass {
   public static void main(String [] args) {
     StringBuffer sb = new StringBuffer("hello");
     System.out.println(sb);
     sb = null;
     // Now the StringBuffer object is eligible for collection
   }
 }








1.27.Garbage Collection
1.27.1.JVM Garbage Collection
1.27.2.How to Cause Leaks in a Garbage Collection System
1.27.3.Avoiding the memory leak
1.27.4.To remove a reference to an object is to set the reference variable to null.
1.27.5.Reassigning a Reference Variable to remove a reference to an object
1.27.6.If an object is returned from the method, its reference might be assigned to a reference variable;
1.27.7.Free memory result should indicate whether Garbage collector has run
1.27.8.An Example of Garbage Collection in Action