Java Memory analysis

Package Demo; Public classDemo { Public Static voidMain (string[] args) {Demo demo=NewDemo (); intDate =9; BirthDate D1=NewBirthDate (7,7,1970); BirthDate D2=NewBirthDate (5,8, -);        Demo.change1 (date);        Demo.change2 (D1);    Demo.change3 (D2); }     Public voidChange1 (inti) {i=1234; }     Public voidChange2 (BirthDate b) {b=NewBirthDate ( A,2,2004); }     Public voidChange3 (BirthDate b) {B.setday ( A); }}

Test Class

Package Demo; Public classBirthDate {Private intDay ; Private intmonth; Private intYear ;  PublicBirthDate (intDintMinty) { day=D; Month=m; year=y; }     Public voidDisplay () {System. out. println (day+"-"+month+"-"+Year ); }     Public intGetDay () {returnDay ; }     Public voidSetday (intDay ) {         This. Day =Day ; }     Public intGetMonth () {returnmonth; }     Public voidSetmonth (intmonth) {         This. Month =month; }     Public intgetYear () {returnYear ; }     Public voidSetyear (intYear ) {         This. Year =Year ; }    }

java Bean

Memory Analysis Diagram:

Java Memory analysis