/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
    public static void main(String[] args){
        System.out.println(withIfElse(null, null));
        System.out.println(withTernary(null, null));
    }

    private static Boolean withTernary(String val, Boolean defVal){
        return val == null ? defVal : "true".equalsIgnoreCase(val);
    }

    private static Boolean withIfElse(String val, Boolean defVal){
        if (val == null) return defVal;
        else return "true".equalsIgnoreCase(val);
    }
}