Java

for (firstNum = 1; firstNum <= 12; firstNum ++) {
    answerNum = firstNum * 2;
    displayTable.setText(firstNum + " x 2  = " + answerNum);
}

private void twoButtonActionPerformed(java.awt.event.ActionEvent evt) {
        int firstNum, answerNum = 0;
        for (firstNum = 1; firstNum <=12; firstNum ++){
            answerNum = firstNum * 2;
            displayTable.append(firstNum + " x 2  = " + answerNum +"\n");
}
}

MallardsReach wrote:

is just an environment to make it easier to develop

import java.util.Random;

public class TwoDiceGame {
    public static void main(String[] args){
        // Declare a counter variable to count the loop time
        int count = 0;
        int die1, die2;
        
        for(int i=0;i<100;i++) { // on reflection the problem is this missing open brace        
            rNums = new Random(); // create a new object of Random class
            int die1 = rNums.nextInt(6)+1;  // you already declared die1 and die2 above
            int die2= rNums.nextInt(6)+1;
            if(Die1 + Die2 >= 10);  // you have mis-spelled the names of the two die variables
            count ++;
        } // this brace closes the for loop
    
        System.out.println ("Out of 100 rolls of the two dice, the total of both the dice greater than or equal to 10 was %d times");
    } // this is the correct closing of main
// { this open brace should not be here
} // this closes the class