Tuesday, April 16, 2013

Declaring Value For Int Using Method From Another Class - Java ...


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    3 Replies - 47 Views - Last Post: Yesterday, 07:29 PM Rate Topic: -----

    #1 taylor1992 ?Icon User is offline

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    Posted Yesterday, 07:13 PM

    I have a method inside the class Student, that I am trying to use in my main program to give an int test1 a value, to be able to use. No matter what I try I keep getting a different compile error.

    method: int i is the index location, and j is the actual score:

    
     public void setTestScore(int i, int j)     {         if(i >= 0 && i < 3)             TestScores[i] = j <= 0 ? 0 : j;     } 

    to call the method

    
 int test1 = Student.setTestScore(); 


    Is This A Good Question/Topic? 0

    Replies To: declaring value for int using method from another class

    #2 pbl ?Icon User is offline

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    Re: declaring value for int using method from another class

    Posted Yesterday, 07:17 PM

    public void setTestScore(int i, int j)

    method expects two parameters i and j. You call it

    int test1 = Student.setTestScore(); <--- without these 2 parameters


    #3 andrewsw ?Icon User is offline

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    Re: declaring value for int using method from another class

    Posted Yesterday, 07:19 PM

    
int test1 = Student.setTestScore();

    You are not supplying the required arguments, for i and j;
    You cannot call your method on the Student class as it is not a static method - you need to call it on an instance of the class;
    The method does not return a value (void) so you cannot assign it to an integer variable.


    #4 brettlee54 ?Icon User is offline

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    Re: declaring value for int using method from another class

    Posted Yesterday, 07:29 PM

    View Posttaylor1992, on 14 April 2013 - 07:13 PM, said:

    I have a method inside the class Student, that I am trying to use in my main program to give an int test1 a value, to be able to use. No matter what I try I keep getting a different compile error.

    method: int i is the index location, and j is the actual score:

    
     public void setTestScore(int i, int j)     {         if(i >= 0 && i < 3)             TestScores[i] = j <= 0 ? 0 : j;     } 

    to call the method

    
 int test1 = Student.setTestScore(); 

    [quote]
    2 mistakes here.
    1. The return value must be "int" and not "void"
    So redeclare your function as

    
 public int steTestScore(int i, int j) { ... } 

    2. Pass the arguments i and j during the function call.

    
 int test1 = Student.setTestScore(4,5); 


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