String a= "B" with string C=new string ("B");

1  PackageFengke.hashcode;2 /**3  * 4  * @authorFeng Ke5 * Study notes:6 *1.hashcode is not a memory address, but a memory address;7 *2.== determines the memory address8 *3.equals is generally overridden by reference types such as String, not comparing memory addresses, but actually representing the difference in content;9 when a class is called, the contents of static are loaded first;Ten  * One  */ A  -  Public classstringandnewstring { -     //storage in a constant pool (no duplicates); the      PublicString a= "Feng Ke"; -     //build data in the heap -      PublicString b=NewString ("Feng Ke"); -      PublicString c=A; +      -      +      A      Publicstringandnewstring () { atSYSTEM.OUT.PRINTLN ("No parameter constructor called"! "); -     } -      -      Public Static voidMain (string[] args) { -SYSTEM.OUT.PRINTLN ("No parameter constructor is called! "); -Stringandnewstring test=Newstringandnewstring (); inSystem.out.println ("called static! "); - System.out.println (Test.a.hashcode ()); to System.out.println (Test.b.hashcode ()); + System.out.println (Test.c.hashcode ()); -System.out.println (test.a==test.b); the     } *}

String a= "B" with string C=new string ("B");