how to make a static reference in jave
import java.util.Scanner;
public class StudentMarks {
Scanner scan1 = new Scanner(System.in);
private double math;
private double science;
private double english;
public StudentMarks(double math, double science, double english) {
this.math = math;
this.science = science;
this.english = english;
}
public static boolean wasPromroted(StudentMarks marks) {
if(math>=85 && science>=75 && english>=65) {
return true;
}
return false;
}
public static void main(String args[]) {
Scanner sc = new Scanner(System.in);
System.out.println("Enter your math score: ");
double math = sc.nextDouble();
System.out.println("Enter your science score: ");
double science = sc.nextDouble();
System.out.println("Enter your english score: ");
double english = sc.nextDouble();
StudentMarks marks = new StudentMarks(math, science, english);
boolean bool = wasPromroted(marks);
if(bool) {
System.out.println("Congratulations you've got promoted");
} else {
System.out.println("Sorry try again");
}
}
}
3
2
import java.util.Scanner;
public class StudentMarks {
Scanner scan1 = new Scanner(System.in);
private double math;
private double science;
private double english;
public StudentMarks(double math, double science, double english) {
this.math = math;
this.science = science;
this.english = english;
}
public static boolean wasPromroted(StudentMarks marks) {
if(marks.math>=85 && marks.science>=75 && marks.english>=65)
return true;
return false;
}
public static void main(String args[]) {
Scanner sc = new Scanner(System.in);
System.out.println("Enter your math score: ");
double math = sc.nextDouble();
System.out.println("Enter your science score: ");
double science = sc.nextDouble();
System.out.println("Enter your english score: ");
double english = sc.nextDouble();
StudentMarks marks = new StudentMarks(math, science, english);
boolean bool = wasPromroted(marks);
if(bool) {
System.out.println("Congratulations you've got promoted");
} else {
System.out.println("Sorry try again");
}
}
}
Thank you!
2
3
(2 Votes)
0
3.9
10
StudentMarks.java:16: error: non-static variable math cannot be referenced from a static context
if(math>=85 && science>=75 && english>=65)
^
StudentMarks.java:16: error: non-static variable science cannot be referenced from a static context
if(math>=85 && science>=75 && english>=65)
^
StudentMarks.java:16: error: non-static variable english cannot be referenced from a static context
if(math>=85 && science>=75 && english>=65)
^
3 errors
Thank you!
10
3.9
(10 Votes)
0
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how to make a static reference in jave
