Java Exercises: Create and display unique three-digit number using 1, 2, 3, 4. Also count how many three-digit numbers are there
Java Basic: Exercise-39 with Solution
Write a Java program to create and display unique three-digit number using 1, 2, 3, 4. Also count how many three-digit numbers are there.
Pictorial Presentation:
Sample Solution:
Java Code:
import java.util.Scanner;
public class Exercise39 {
public static void main(String[] args) {
int amount = 0;
for(int i = 1; i <= 4; i++){
for(int j = 1; j <= 4; j++){
for(int k = 1; k <= 4; k++){
if(k != i && k != j && i != j){
amount++;
System.out.println(i + "" + j + "" + k);
}
}
}
}
System.out.println("Total number of the three-digit-number is " + amount);
}
}
Sample Output:
123 124 132 134 142 143 213 214 231 234 241 ------ 431 432 Total number of the three-digit-number is 24
Flowchart:
Java Code Editor:
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