why we use if and if else in java code example

Example 1: how to make if else statments in java

if (condition) {
  // code block
} else {
  // code block
}

Example 2: if else java

public class TestIfElse {

    public static void main(String[] args) {
        int a = 5, b = 6;
        if (a > b) {
            System.out.println("a is greater");
        } else {
            System.out.println("b is greater");
        }
    }
}