If there is only one statement in an if or else block, the braces are optional.
public class MainClass {
public static void main(String[] args) {
int a = 3;
if (a > 3)
a++;
else
a = 3;
}
}
Consider the following example:
public class MainClass {
public static void main(String[] args) {
int a = 3, b = 1;
if (a > 0 || b < 5)
if (a > 2)
System.out.println("a > 2");
else
System.out.println("a < 2");
}
}