HKProgrammingWorld

Storing primitive values, array object and class object by using another class and its object memory diagram
==========================================
class Example {
int i1 = 5;
double d1 = 6.7;
char ch = 'a';
long[] la = {8, 9};
String s = "Hari";
}

class Sample {
float f1 = 4.5F;
boolean bo = true;
char[] ch = {'p', 'q'};
Example e1 = new Example();
}

class Test11_ClassItsAdv{
public static void main(String[] args) {

//Adv #1: We can store multiple values of different type as one group with name
Sample s1 = new Sample();

System.out.println(s1);
System.out.println(s1.f1);
System.out.println(s1.bo);
System.out.println(s1.ch);
System.out.println(s1.e1);
System.out.println(s1.e1.i1);
System.out.println(s1.e1.d1);
System.out.println(s1.e1.ch);
System.out.println(s1.e1.la);
System.out.println(s1.e1.la[0]);
System.out.println(s1.e1.la[1]);
System.out.println(s1.e1.s);
System.out.println();

//Adv #2: We can pass multiple values of different type as arguemtn with parameter name
m1(s1);
System.out.println();

//Adv #3: We can return multiple values of different type from a method with single return type
Sample s2 = m2();
System.out.println(s2);
System.out.println(s2.f1);
System.out.println(s2.bo);
System.out.println(s2.ch);
System.out.println(s2.e1);
System.out.println(s2.e1.i1);
System.out.println(s2.e1.d1);
System.out.println(s2.e1.ch);
System.out.println(s2.e1.la);
System.out.println(s2.e1.la[0]);
System.out.println(s2.e1.la[1]);
System.out.println(s2.e1.s);
System.out.println();
}

static void m1(Sample s){
System.out.println(s);
System.out.println(s.f1);
System.out.println(s.bo);
System.out.println(s.ch);
System.out.println(s.e1);
System.out.println(s.e1.i1);
System.out.println(s.e1.d1);
System.out.println(s.e1.ch);
System.out.println(s.e1.la);
System.out.println(s.e1.la[0]);
System.out.println(s.e1.la[1]);
System.out.println(s.e1.s);
}

//Adv #3: We can return multiple values of different type from a method with single return type
static Sample m2(){
return new Sample();
}
}