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/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:10: error: class, interface, or enum expectedpublic static int { ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:13: error: class, interface, or enum expected int minValue = Integer.MAX_VALUE; ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:14: error: class, interface, or enum expected int size = queue.size(); ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:16: error: class, interface, or enum expected for(int i=0; i<size; i++){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:16: error: class, interface, or enum expected for(int i=0; i<size; i++){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:16: error: class, interface, or enum expected for(int i=0; i<size; i++){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:18: error: class, interface, or enum expected if (current <= minValue && i <= sortIndex){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:20: error: class, interface, or enum expected minIndex = i; ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:21: error: class, interface, or enum expected } ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:23: error: class, interface, or enum expected } ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:25: error: class, interface, or enum expected}^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:26: error: class, interface, or enum expectedpublic static void ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:29: error: class, interface, or enum expected int size = queue.size(); ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:30: error: class, interface, or enum expected for (int i=0; i<size; i++){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:30: error: class, interface, or enum expected for (int i=0; i<size; i++){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:30: error: class, interface, or enum expected for (int i=0; i<size; i++){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:32: error: class, interface, or enum expected if (i != minIndex){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:34: error: class, interface, or enum expected } ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:37: error: class, interface, or enum expected } ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:40: error: class, interface, or enum expected}^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:41: error: class, interface, or enum expectedpublic static void main(String[] args){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:43: error: class, interface, or enum expected int size = scanner.nextInt(); ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:44: error: class, interface, or enum expected Queue<integer> queue = new LinkedList<>(); ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:45: error: class, interface, or enum expected for (int i=0; i<size ; i++){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:45: error: class, interface, or enum expected for (int i=0; i<size ; i++){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:45: error: class, interface, or enum expected for (int i=0; i<size ; i++){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:47: error: class, interface, or enum expected queue.add(element); ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:48: error: class, interface, or enum expected } ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:50: error: class, interface, or enum expected while (!queue.isEmpty()){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:52: error: class, interface, or enum expected } ^30 errors

Question

/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:10: error: class, interface, or enum expectedpublic static int { ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:13: error: class, interface, or enum expected int minValue = Integer.MAX_VALUE; ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:14: error: class, interface, or enum expected int size = queue.size(); ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:16: error: class, interface, or enum expected for(int i=0; i<size; i++){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:16: error: class, interface, or enum expected for(int i=0; i<size; i++){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:16: error: class, interface, or enum expected for(int i=0; i<size; i++){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:18: error: class, interface, or enum expected if (current <= minValue && i <= sortIndex){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:20: error: class, interface, or enum expected minIndex = i; ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:21: error: class, interface, or enum expected } ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:23: error: class, interface, or enum expected } ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:25: error: class, interface, or enum expected}^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:26: error: class, interface, or enum expectedpublic static void ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:29: error: class, interface, or enum expected int size = queue.size(); ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:30: error: class, interface, or enum expected for (int i=0; i<size; i++){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:30: error: class, interface, or enum expected for (int i=0; i<size; i++){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:30: error: class, interface, or enum expected for (int i=0; i<size; i++){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:32: error: class, interface, or enum expected if (i != minIndex){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:34: error: class, interface, or enum expected } ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:37: error: class, interface, or enum expected } ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:40: error: class, interface, or enum expected}^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:41: error: class, interface, or enum expectedpublic static void main(String[] args){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:43: error: class, interface, or enum expected int size = scanner.nextInt(); ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:44: error: class, interface, or enum expected Queue<integer> queue = new LinkedList<>(); ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:45: error: class, interface, or enum expected for (int i=0; i<size ; i++){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:45: error: class, interface, or enum expected for (int i=0; i<size ; i++){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:45: error: class, interface, or enum expected for (int i=0; i<size ; i++){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:47: error: class, interface, or enum expected queue.add(element); ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:48: error: class, interface, or enum expected } ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:50: error: class, interface, or enum expected while (!queue.isEmpty()){ ^/home/ubuntu/2f5d27c1-8dda-43f7-9e0d-c353c987f8e0/Main.java:52: error: class, interface, or enum expected } ^30 errors

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Solution

The error messages you're seeing are due to the Java compiler not being able to find a class, interface, or enum declaration in your code. This is a common error when the code is not properly structured.

In Java, all code must reside within a class or interface. Here's a basic structure of how your code should look:

public class Main {
    public static void main(String[] args){
        // Your code here
    }
}

From the error messages, it seems like you have methods and variables declared outside of a class or interface. Make sure to move these inside a class or interface.

Also, Java is case-sensitive. In your code, you have Queue<integer> queue = new LinkedList<>();. Here, integer should be Integer.

Correcting these issues should resolve the errors you're seeing.

This problem has been solved

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