simple program to show local variables in if block

// simple program to show local variables in If block

package variables;

public class LocalVariableInBlock {

   
    public static void main(String[] arg) {
        int i;
        if(arg.length>0) {
        i=20;
        }
        else{    // here with out else we will get compile time error
        i=40;
        }
        System.out.println(i); // valid

    }

}