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David Ferguson
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1 Answer(s)      5 years and 10 months ago
Posted in : Java Beginners

Hi i would really be thankful if someone could help me with this

A program is required to ask users to rate the Java programming language using a number in the range 0 - 10.

The data input is ended by entering -1.

After all the votes have been counted, the program should output a table showing how many people gave each rating and the average rating.

import java.util.*;

class RateJava {

public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.print("Rate Java(0-10): "); int rate = input.nextInt(); while (rate > 10 || rate < 0) {

catch(

private static class IOException {

```public IOException() {
}
```

} ArithmeticException e

```);
{
System.out.println("Cannot calculate average - no data");
```

catch(IOException

```);

{
System.out.println("Error reading from file");
```

} } }

```}
System.out.print("Invalid! Rate Java within the range(0-10): ");
rate=input.nextInt();

System.out.println("You have rated Java: "+rate);
```
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View Answers

December 9, 2011 at 4:56 PM

```import java.util.*;
class RateJava
{
public static void main(String[] args)
{
int c1=0,c2=0,c3=0,c4=0,c5=0,c6=0,c7=0,c8=0,c9=0,c10=0,c11=0;
Scanner input=new Scanner(System.in);
int rate=0;
do{
System.out.print("Rate Java(0-10): ");
rate=input.nextInt();
if(rate>10||rate<-1){
System.out.print("Invalid! Rate Java within(0-10): ");
rate=input.nextInt();
}
if(rate==0){
c1++;
}
if(rate==1){
c2++;
}
if(rate==2){
c3++;
}
if(rate==3){
c4++;
}
if(rate==4){
c5++;
}
if(rate==5){
c6++;
}
if(rate==6){
c7++;
}
if(rate==7){
c8++;
}
if(rate==8){
c9++;
}
if(rate==9){
c10++;
}
if(rate==10){
c11++;
}
if(rate==11){
c1++;
}
}
while(rate!=-1);
System.out.println();
System.out.println("*****RATINGS*****");
System.out.println("Number of users rated Java 0: "+c1);
System.out.println("Number of users rated Java 1: "+c2);
System.out.println("Number of users rated Java 2: "+c3);
System.out.println("Number of users rated Java 3: "+c4);
System.out.println("Number of users rated Java 4: "+c5);
System.out.println("Number of users rated Java 5: "+c6);
System.out.println("Number of users rated Java 6: "+c7);
System.out.println("Number of users rated Java 7: "+c8);
System.out.println("Number of users rated Java 8: "+c9);
System.out.println("Number of users rated Java 9: "+c10);
System.out.println("Number of users rated Java 10: "+c11);
}
}
```

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