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  1. Prepare
  2. Tutorials
  3. 30 Days of Code
  4. Day 4: Class vs. Instance
  5. Discussions

Day 4: Class vs. Instance

  • ranjithkumar1353
     + 0 comments

    public Person(int initialAge) {

        if(initialAge < 0 ){
        System.out.println("Age is not valid, setting age to 0.");
    }
    else{
        this.age =initialAge;
    }
}

public void amIOld() {
    if(age < 13){
        System.out.println("You are young.");
    }
    else if( age >= 13 && age < 18 ) {
        System.out.println("You are a teenager.");
    }
    else{
        System.out.println("You are old.");
    }

}

public void yearPasses() {
    age ++;
}

public static void main(String[] args) {