A soft reference holds onto its referent until memory becomes low. : SoftReference « Collections Data Structure « Java

1. Java
2. Collections Data Structure
3. SoftReference

A soft reference holds onto its referent until memory becomes low.

  

import java.lang.ref.SoftReference;

public class Main {
  public static void main(String[] argv) throws Exception {
    SoftReference<String> sr = new SoftReference<String>("object");

    Object o = sr.get();
    if (o != null) {
      System.out.println(o);
    } else {
      System.out.println("collected or has been reclaimed");
    }
  }
}

   
    
  

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