Object Class

9. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?
class J
{
 int x;
 public String toString() 
 {
  String s1 = super.toString();
  String s2 = "x = " + x;
  return s1 + ", " + s2;
 } 
}

class Manager9
{
 public static void main (String[] args) 
 {
  J j1 = new J();
  j1.x = 200;
  System.out.println(j1); 
 }
}

---

10. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?
class K
{
 int k = 10; 
}

class Manager11
{
 public static void main (String[] args) 
 {
  K k1 = new K();
  K k2 = new K();
  System.out.println(k1==k2); 
 }
}

---

11. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?
class L
{
 int i ; 
}

class Manager12
{
 public static void main (String[] args) 
 {
  L l1 = new L();
  l1.i = 10;
  L l2 = new L();
  l2.i = 20;
  System.out.println(l1==l2); 
 }
}

---

12. Program

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

class Manager13
{
 public static void main (String[] args) 
 {
  M m1 = new M(90);
  M m2 = new M(90);
  System.out.println(m1==m2); 
 }
}

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