Basic Programs Of Java

1. Program

//Find the O/P ? 
class Hello
{
 public static void main(String args[])
 {
  System.out.println("Hello World");
 }
}

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2. Program

//Find the O/P ? 
class A
{
 public static void main(String args[])
 {
  System.out.print("done");
 }
}

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3. Program

//Find the O/P ? 
class C
{
 public static void main(String args[])
 {
  System.out.println("Hello to all");
  System.out.println("Hello to all");
  System.out.println("Hello to all");
 }
}

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4. Program

//Find the O/P ? 
class D
{
 public static void main(String args[])
 {
  System.out.println("Hello to all");
  System.out.println(1000);
  System.out.println('a');
  System.out.println(10.99);
  System.out.println();
  System.out.println(100+100);
  System.out.println(100==2000);
  System.out.println(10!=40); 
 }
}

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5. Program

//Find the O/P ? 
class E
{
 public static void main(String args[])
 {
  int i = 10;
  System.out.println(i);
  i = 20;     //Reinitialization
  System.out.println(i);
  
 }
}

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6. Program

//Find the O/P ? 
class F
{
 public static void main(String args[])
 {
  int i;
  i = 10;
  System.out.println(i);
  
 }
}

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7. Program

//Find the O/P ? 
class G
{
 public static void main(String args[])
 {
  int i = 20;
  int j = i;
  System.out.println(i);
  System.out.println(j);
  
 }
}

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