Java if, if else,else if, Nested if else Statement Example

if statement

int a=10, b=5;

if (a>b)

{

  System.out.println("True");
}

Output 

True

if else statement

int a=10, b=5;

if (a<b)

{

    System.out.println("True");
}

else 

{

    System.out.println("False");

}

Output 

False

else if statement

int Marks= 30;
if (Marks< 12) {
  System.out.println("Bad");
} 

else if (Marks< 20) 

{
  System.out.println("Good");
} 

else 

{
  System.out.println("Excellent");
}

Output

Excellent

Nested if else

        int a = 8; 

        if (a == 8) 

        { 

            if (a < 16) 

                System.out.println("a is smaller than 16"); 

            if (a < 18) 

                System.out.println("a is smaller than 18"); 

            else

                System.out.println("a is greater than 18"); 

        } 

    } 

}

Output

a is smaller than 16

a is smaller than 18