(Java) Generating random number for division program

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Hi I’m new to programming and I’m trying to make a division program that can generate 2 random numbers and the condition is that the first number must be more than the second and they give no remainder. If the number generated does not meet the condition it keeps generating until the conditions are met. Can anyone help me fix my error?

randomnum1 = 1 + (int)(Math.random()*9);
randomnum2 = 1 + (int)(Math.random()*9);

while (randomnum1 < randomnum2 && randomnum1/randomnum2 % 2 != 0) {
            randomnum1 = 1 + (int)(Math.random()*9);
            randomnum2 = 1 + (int)(Math.random()*9);
            int number1 = randomnum1;
            int number2 = randomnum2;

        int a = number1/number2;
    
    //rest of program is below this

Answer

Your while condition checks that the division result is even randomnum1/randomnum2 % 2 != 0
You should replace :

while (randomnum1 < randomnum2 && randomnum1/randomnum2 % 2 != 0) {

With

while (randomnum1 < randomnum2 || randomnum1 % randomnum2 != 0) {
// while (!(randomnum1 >= randomnum2 && randomnum1 % randomnum2 == 0)) {
    randomnum1 = 1 + (int)(Math.random()*9);
    randomnum2 = 1 + (int)(Math.random()*9);
}
// randomnum1 and randomnum2 now match your expectations
int a = number1/number2;

As rand1 modulo rand2 == 0 means that

they give no remainder



Source: stackoverflow