Answer:
Explanation;
else
System.out.println("f1 and f2 are not equal");
switch (input.charAt(0)
{
case '+':
f3 = f1.add(f2);
System.out.println("f1+f2=" + f3);
break;
case '-':
f3 = f1.subtract(f2);
System.out.println("f1-f2=" + f3);
break;
case '*':
f3 = f1.multiply(f2);
System.out.println("f1*f2="+f3);
break;
case '/':
f3 = f1.divide(f2);
System.out.println("f1/f2="+f3);
break;
default:
System.out.println("Illegal command: " + input );
break;
}
}// end of while loop
} // end of main
}
  
Note ; this is the last part of the programme check the attachment from 1-5  this is the 6th .
 
        
             
        
        
        
Answer: Public
Explanation:
  A top level class can have a public, as top level cannot be private and protected because the modifier private is not allowed. As, top level is a class which is not a nested class. Interface of a access modifier is either public or no modifier. There are two types of access control modifier are top level - public and member level- private, protected. 
 
        
             
        
        
        
Smoking, Drinking, Use of drugs, problems with uterus, Problems with cervix or placenta.
        
             
        
        
        
Answer:
This is the case of redundancy or the repeated data. It means that the same data is being repeated again and again. And its the wastage of time and memory both. The redundancy must be removed in all circumstances. However, we cannot as without it proper normalization of data is not possible.
Explanation:
The answer is self explanatory.
 
        
             
        
        
        
Answer:
Technology helps business professionals, keep more organized, communicate better, and effectively keeps businesses secure. Technology helps keep employee information and business paper work more organized using computers and software; while making it easier to communicate with employee's using e-mail and memo's.
Explanation: