Which of these statements are incorrect?

Which of these statements are incorrect?

2) In Java, the ……………………… is used to access the instance variables and methods of class objects.

3) What will be the result of the expression of 8|8.

4)

public class Test  
{
        public static void main(String args[])
  {
       System.out.print(""=="");
        System.out.print(" ");
       System.out.print("A"=="A");
      System.out.print(" ");
       System.out.print("a==A");
        }
  }

5) What is the output of the following program ?

class Numbers{
    public static void main(String args[])
  {
       int a=20, b=10;
       if((a < b) && (b++ < 25))
  {       System.out.println("This is any language logic");
     }
       System.out.println(b);
          }
 }