Object Class

5. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?
class E
{
 int i, j;
 E(int i,int j)
 {
  this.i = i;
  this.j = j;
 } 
}

class Manager5
{
 public static void main (String[] args) 
 {
  E e1 = new E(20,10);
  E e2 = new E(20,10);
  System.out.println(e1);
  System.out.println(e2); 
 }
}

---

6. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?
class F
{
 int i;
 public String toString() // overriding of toString method
 {
  return"i = " + i;
 } 
}

class Manager6
{
 public static void main (String[] args) 
 {
  F f1 = new F();
  f1.i = 10;
  System.out.println(f1); 
 }
}

---

7. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?
class G
{
 int i, j;
 public String toString() // overriding of toString method
 {
  return"i = " + i + ", j = " + j ;
 } 
}

class Manager7
{
 public static void main (String[] args) 
 {
  G g1 = new G();
  g1.i = 10;
  g1.j = 10;
  System.out.println(g1); 
 }
}

---

8. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?
class H
{
 int x;
 public String toString() 
 {
  return"x = " + x ;
 } 
}

class I
{
 int y;
 H h1;
 public String toString() 
 {
  return h1 + ", y = " + y;
 } 
}

class Manager8
{
 public static void main (String[] args) 
 {
  H h1 = new H();
  h1.x = 10;
  
  I i1 = new I();
  i1.y= 10;
  i1.h1 = h1;
  
  System.out.println(h1);
  System.out.println(i1); 
 }
}

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