java important theory problems

Question 04:

What is Boolean data type.

Ans:

The result of this data type is either true or false based on the following condition.

Question 05:

What is an if statement also write it syntax.

Ans:

It compare two values if the result is true then if statement is execute .

If(9==9)

System.out.println(“JAVA”);

Question 06:

Write an if statement that assigns 1 to x if y is greater than 0.

Ans:

   If (y>0)

X=1;