Hi Friend,

Try the following code

1)

import java.util.*;

class InputDecimalNumber{
public static void main(String[]args){
Scanner input=new Scanner(System.in);
System.out.println("Enter decimal number:");
float num=input.nextFloat();
int number=Math.round(num);
System.out.println("Nearest integer of "+num+" is: "+number);
}
}

2)

import java.util.*;

class InputDecimalNumber{
public static void main(String[]args){
Scanner input=new Scanner(System.in);
float sum=0;
System.out.print("Enter score of Exam1: ");
float num1=input.nextFloat();
System.out.print("Enter score of Exam2: ");
float num2=input.nextFloat();
System.out.print("Enter score of Exam3: ");
float num3=input.nextFloat();
System.out.print("Enter score of Project1: ");
float num4=input.nextFloat();
System.out.print("Enter score of Project2: ");
float num5=input.nextFloat();
sum=num1+num2+num3+num4+num5;
int result=Math.round(sum);
System.out.println("Result is: "+result);
}
}

Thanks