我的代码有什么问题？

Question

I seems like I cant skip over the while loop as my code does not understand that I typed in the right number.

 import java.util.Scanner;
 public class HelloWorld1{
     static Scanner userInput = new Scanner(System.in);
      static int randomNumbe

 public static void main(String[] args){
    System.out.println(randomNum());
    int randomGuess = -1 ;
    while(randomGuess != randomNum()){
        System.out.println("Guess a number between 0 to 100");
        randomGuess = userInput.nextInt();
    }
    System.out.println("Yes the random number is:" + randomGuess);
}

public static int randomNum(){
    randomNumber = (int) (Math.random()*101);
    return randomNumber;
}

}

Answer 1

When you call randomNum(), you're getting another random value back. Try:

int expected = randomNum();
System.out.println(expected);
int guess = -1;
while(guess != expected) {
    ...
}

Answer 2

package randomguess;

import java.util.Scanner;

public class RandomGuess {

/**
 * @param args the command line arguments
 */

static int randomNumber = 0;

public static int getRandomInt() {
    randomNumber = (int) (Math.random()*101);
    return randomNumber;
}

public static void main(String[] args) {

    Scanner sc = new Scanner(System.in);

    int guessInt = sc.nextInt();
    int randomInt = getRandomInt();

    while(guessInt != randomInt) {
        System.out.println("Better luck nextTime :D Random number was "+randomInt);
        guessInt = sc.nextInt();
        randomInt = getRandomInt();
    }
    System.out.println("Yeah! You are oracle!");
  }
}

Here is probably what you want. Let me know if it is.