Java | If Statement: If statement is one of conditional statement, it execute the code in the if block only condition is true. Syntax : if ( condition ) { // statements... } Here is the Code: import java.io.*; class Main { public static void main (String[] args) { int i = 1; if( i % 2 != 0) { System.out.println("i is odd number."); } } } Output: i is odd number. Here is the Video: