Inner Classes

29. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?
interface C
{
 void test1();
 void test2();
} 

class Manager9
{
 public static void main(String[] args)
 {
  C c1 = new C()
  {
   public void test1()
   {
    System.out.println("test 1");
   }
   
   public void test2()
   {
    System.out.println("test 2");
   }
   
  };
  
  c1.test1();
  c1.test2();
  System.out.println("Done");
 }
}

---

30. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?
abstract class B
{
 abstract void test1();
 
 void test2()
 {
  System.out.println("B test-2");
 }
} 

interface C
{
 void test1();
 void test2();
} 

class Manager10
{
 static void method1(B b1)
 {
  b1.test1();
  b1.test2();
 }

 static void method2(C c1)
 {
  c1.test1();
  c1.test2();
 }
 
 public static void main(String[] args)
 {
  System.out.println("Done");
 }
}

---

31. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?
abstract class B
{
 abstract void test1();
 
 void test2()
 {
  System.out.println("B test-2");
 }
} 

interface C
{
 void test1();
 void test2();
} 

class Manager11
{
 static void method1(B b1)
 {
  b1.test1();
  b1.test2();
 }

 static void method2(C c1)
 {
  c1.test1();
  c1.test2();
 }
 
 public static void main(String[] args)
 {
  B b1 = null;
  method1(b1);
  C c1 = null;
  method2(c1);
  System.out.println("Done");
 }
}

---

32. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?
class D
{
 D()
 {
  System.out.println("D()");
 }
 
 D(int i)
 {
  System.out.println("D(int)");
 }
 
 {
  System.out.println("D-IIB");
 }
}

class Manager15
{
 public static void main(String[] args)
 {
  D d1 = new D()
  {
   {
    System.out.println("first IIB");
   }
   
  };
  
  System.out.println(".......");
  
  D d2 = new D(10)
  {
   {
    System.out.println("second IIB");
   }
   
  }; 
 }
}

---

Page....