Java Operators Aptitude Questions & Answers.

This section contains Aptitude Questions and Answers on Java Operators.

List of Java Operators Aptitude Questions and Answers

1) What will be the output of following program ?
class Opr
{
    public static void main(String args[])
    {
        boolean ans=false;
        if(ans=true)
            System.out.print("Done");
        else
            System.out.print("Fail");
    }
}
  1. Done
  2. Fail
  3. Error
  4. DoneFail



2) What will be the output of following program?
class Opr
{
    public static void main(String args[])
    {
        int x=5,y;
        y= ++x + x++ + --x;
        System.out.println(x + "," + y);
    }
}

  1. 6,15
  2. 6,18
  3. 6,12
  4. None of these

3) What will be the output of following program?
class Opr
{
    public static void main(String args[])
    {
        byte a,b;
        a=10; b=20;
        b=assign(a);
        System.out.println(a +","+ b);
 
         
    }
    public static byte assign(byte a)
    {
        a+=100;
        return a;
    }
     
}
  1. 110, 110
  2. 10, 110
  3. 10, 10
  4. None of these

4) What will be the output of following program?
class Opr
{
    public static void main(String args[])
    {
        int a,b,result;
        a=10; b=20;
        result=(b>=a);
        System.out.print(result);
    }
}

  1. Error
  2. 1
  3. True
  4. 20

5) What will be the output of following program?
class Opr
{
    public static void main(String args[])
    {
        int a,b,result;
        a=10; b=20;
        result=(int)(b>=a);
        System.out.print(result);
    }
}

  1. Error
  2. 1
  3. True
  4. 20