Object And Class

1. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ? 
class A
{
 int i ;
 
 public static void main(String args[])
 {
  System.out.println(i);
 } 
}

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2. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ? 
class B
{ 
 void test()
 {
 }
 
 public static void main(String args[])
 {
  test();
  System.out.println("Hello World");
 }
 
}

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3. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ? 
class C
{ 
 int i;
 
 static void test()
 {
  System.out.println(i);
 } 
}

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4. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ? 

class J
{ 
 void test1()
 {
  System.out.println("from test1");
 }
  
 static void test2()
 { 
  J j1 = new J();
  j1.test1();
  System.out.println("from test2");
 }
 
}

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5. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ? 
class E
{ 
 int i;
 
 static
 {
  System.out.println(i);
 } 
}

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6. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ? 
class F
{ 
 void test1()
 {
  
 }
 
 static void test2()
 {
  test1();
 }
}

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7. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ? 
class G
{ 
 int i;
 
 public static void main(String args[])
 { 
  G g1 = new G();
  System.out.println(g1.i);
 } 
}

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