MULTIPLICATION TABLE !!!

public class multiplicationtable {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub

int x = 2;
int z;

for(int y = 1; y<=10;y++){

z = x * y;

System.out.println(x+" * "+y+ " = "+z);

}
}
}

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Output:

2 * 1 = 2

2 * 2 = 4

2 * 3 = 6

2 * 4 = 8

2 * 5 = 10

2 * 6 = 12

2 * 7 = 14

2 * 8 = 16

2 * 9 = 18

2 * 10 = 20

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Same way you can change the sign to + or - and create new addition or deduction table.