java - An error ocurred when executing GradeBook - 


public class test{     public void mosleh(string coursname)     {         system.out.printf("welocm grade bok for\n%s!\n,coursname");     } }

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import java.util.scanner;  public class gradebooktest {     public static void main(string[]args) {         scanner input = new scanner(system.in);         gradebook  mygradebook = new gradebook ();         system.out.println("please enter cours name");         string nameofcourse = input.nextline();         system.out.println();         mygradebook.mosleh(nameofcourse);     } }

its unclear youre asking need rename test class avail of mosleh method

public class gradebook {

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